16
BioOne sees sustainable scholarly publishing as an inherently collaborative enterprise connecting authors, nonprofit publishers, academic institutions, research libraries, and research funders in the common goal of maximizing access to critical research. The Huntington Botanical Gardens presents the 2008 offering of International Succulent Introductions Author(s): John N. Trager Source: Cactus and Succulent Journal, 80(2):52-66. 2008. Published By: Cactus and Succulent Society of America DOI: http://dx.doi.org/10.2985/0007-9367(2008)80[52:THBGPT]2.0.CO;2 URL: http://www.bioone.org/doi/ full/10.2985/0007-9367%282008%2980%5B52%3ATHBGPT%5D2.0.CO%3B2 BioOne (www.bioone.org ) is a nonprofit, online aggregation of core research in the biological, ecological, and environmental sciences. BioOne provides a sustainable online platform for over 170 journals and books published by nonprofit societies, associations, museums, institutions, and presses. Your use of this PDF, the BioOne Web site, and all posted and associated content indicates your acceptance of BioOne’s Terms of Use, available at www.bioone.org/page/terms_of_use . Usage of BioOne content is strictly limited to personal, educational, and non-commercial use. Commercial inquiries or rights and permissions requests should be directed to the individual publisher as copyright holder.

The Huntington Botanical Gardens presents the 2008 offering of International Succulent Introductions

  • Upload
    john-n

  • View
    217

  • Download
    0

Embed Size (px)

Citation preview

BioOne sees sustainable scholarly publishing as an inherently collaborative enterprise connecting authors nonprofit publishersacademic institutions research libraries and research funders in the common goal of maximizing access to critical research

The Huntington Botanical Gardens presents the 2008 offering ofInternational Succulent IntroductionsAuthor(s) John N TragerSource Cactus and Succulent Journal 80(2)52-66 2008Published By Cactus and Succulent Society of AmericaDOI httpdxdoiorg1029850007-9367(2008)80[52THBGPT]20CO2URL httpwwwbiooneorgdoifull1029850007-936728200829805B523ATHBGPT5D20CO3B2

BioOne (wwwbiooneorg) is a nonprofit online aggregation of core research in thebiological ecological and environmental sciences BioOne provides a sustainable onlineplatform for over 170 journals and books published by nonprofit societies associationsmuseums institutions and presses

Your use of this PDF the BioOne Web site and all posted and associated content indicatesyour acceptance of BioOnersquos Terms of Use available at wwwbiooneorgpageterms_of_use

Usage of BioOne content is strictly limited to personal educational and non-commercialuse Commercial inquiries or rights and permissions requests should be directed to theindividual publisher as copyright holder

52 CaCtusandsuCCulentJournal

The Huntington Botanical Gardens presents the 2008 offering of

e

internationalsucculent

introductions

International Succulent Introductions is the plant introduction program of the Hun-tington Botanical Gardens a private insti-tution with a world-renowned Desert Gar-den Since shortly after its inception in 1958 ISI has had a long-standing associa-tion with the Huntington and was adopted in its entirety by the Huntington in 1989

furthering the institutionrsquos dedication to aesthetics education conservation and scientific study

The aim of International Succulent Introduc-tions is to propagate and distribute new or rare succulents to collectors nurseries and institu-tions In keeping with sound conservation practic-es field-collected plants are not sold Only nurs-ery-propagated seedlings grafts and rooted cut-tings produced without detriment to wild popu-lations are offered Income is used solely to sup-port this program An annual mail-order offering appears in each MarchndashApril issue of this jour-nal The list with photos is also accessible on the Internet at wwwhuntingtonorg

The Huntington is a non-profit 501(c)(3) orga-nization Charitable contributions to the Hunting-tonrsquos ISI program are welcome

Ordering informationAddress orders to ISI Huntington Botanical Gar-dens 1151 Oxford Road San Marino CA 91108 No minimum order All orders are sent by Priority Mail one or more flat-rate boxes ($895 each) will be used Each box can hold approximately five of our larger plants To calculate shipping divide the number of plants in your order by five to

determine the number of boxes required for your order Add $895 per box Should your order fit into fewer boxes than calculated or should some of the plants ordered be out of stock at the time of shipping the overage will be credited to credit card orders Other customers will receive a cred-it note on the packing list You may use the origi-nal credit note for a future order or return it with a request for a refund Because some items are in short supply we encourage the listing of several alternate selections

We regret that due to agricultural and other restrictions we are no longer able to ship plants outside the US nor to Napa and Sonoma Coun-ties in California The following states (subject to change) require an additional $15 certification fee for pest inspection by a California agricultur-al inspector AL AK AZ ID IN LA MS NC SC TN VA WV Orders to California counties north of Los Angeles must include an additional $5 to cover mandatory pesticide treatment Cali-fornia residents must add 825 sales tax

Payment must be either by check or money order drawn in US dollars and payable to the Huntington through a United States bank or by Visa Mastercard Discover or American Express Checks will be processed upon receipt Credit card payments will usually be processed the week prior to shipping Orders may be sent via e-mail to jtragerhuntingtonorg For security purpos-es charge-card number and expiration date may be called in to 626ndash405ndash3512 or orders may be faxed to 626ndash405ndash3501

Orders will be accepted until 15 May 2008 and will be shipped in June or July

JOHN N TRAGER

2008volume80number2 53

internationalsucculent

introductions

isi 2008ndash1 Parodia taratensis CaacuteRDenas In 1964 noted Bolivian cactologist Martiacuten Caacuterdenas described P tara-tensis from between Tarata and the Riacuteo Caine That same year German explorer Wolfgang Krahn found another population nearby Walter Weskamp later described material from this population as P krahnii a name now considered a synonym of P taratensis The species has golden yellow flowers and the spination includes chestnut brown centrals which are usually prominently hooked The stems tend to become clavate and have spirally arranged ribs We offer HBG 97499 plants grown from controlled pollination of W Krahn 167 originally collected at 2200 m elevation between La Vintildea and the Riacuteo Caine Prov Tarata Dept Cochabamba Bolivia $5

isi 2008ndash2 Peniocereus cuixmalensis saacutenCHez-mejoRaDa Though described in 1973 this species has barely seen cultivation Its juvenile stems at first appear uniformly dark green but closer inspection reveals fine speckling These stems are six-ribbed and finely spined while mature stems are usually four-ribbed and spinier The sparingly branched stems arise from tuberous roots that eventually reach 25 cm or more across and twice as long well disposed to elevating in caudiciform fashion The nocturnal flowers are white and trumpet shaped typical of the genus and are followed by colorful red ovoid fruits to 6 cm long The species is native to the coastal forests of Jalisco Colima and Michoacaacuten Our offering is rooted cuts of HBG 57313 a plant grown from seed col-lected by Lomeliacute Sencioacuten at 260 m at Km 155 along the highway from Barra de Navidad to Puerto Vallarta Jalisco Mexico $5

Cacti2008isiofferings

1

2

54 CaCtusandsuCCulentJournal

isi 2008ndash3 Pereskia guamacho F A C Weber This inhabitant of the thorn-forests of northern Venezuela is a tree to 8 m tall It is distinctive in its divergent branching pattern and yellow flowers We offer HBG 97480 plants grown from seed collected Sept 1997 by CSSA grant recipient Jafet Nassar while researching population genetics of cacti in Venezuela Falcoacuten Peninsula de Paraguanaacute San Joseacute de Acaboa ca 30 m elevation $6

isi 2008ndash4 Stenocactus coptonogonus (LemAire) A berger When not in flower this flattened globular cactus with its stout triads of flattened spines resembles an over-ribbed astrophytum or a miniature horse-crippler (Echinocactus texensis) The flowers however are typical of its genus having many petals pale with purple midstripes With a little imagination adding more ribs and giving them a few sinuous curves one can see the affinity to the more typical vegetative form of the genus which has given rise to the common name ldquobrain cactusrdquo This spe-cies is native to several states of central Mexico Our plants come without specific locality information but are neverthe-less worthy container speci-mens or rockery subjects in drier climates where they can tolerate winter temperatures in the 20s HBG 97500 $5

3

4

2008volume80number2 55

isi 2008ndash5 Agave parrasana A berger Among medium-sized land-scape agaves (with rosettes under 60 cm diameter) this is one of the choicest Like the much sought-after A parryi var truncata this agave forms compact artichoke-like rosettes of glaucous leaves It differs in having more contorted fiercer-looking mar-ginal teeth These make evocative imprints on the backs of the leaves Our seed-grown plants display a range of variation that will be fascinating to watch as their mature patterns develop The species is restricted to the lime-stone Parras mountains of SE Coahuila Mexico between 1400 and 2480 m elevation HBG 97485 $8

isi 2008ndash6 Aloe acu-leata PoLe-evAns This choice landscape aloe forms solitary rosettes up to 1 m across but can flower at a third that size Its broad leaves incurve slightly giving the rosette a rounded appearance Perhaps the most desirable fea-ture of this aloe is one especially well-devel-oped in the population from which our offering originates the margins and surface of the thick leaves bear promi-nent red-brown prick-les arising from white tuberculate bases The solitary racemes in this form are also typically bicolored with orange

buds opening yellow Second generation seedlings from HBG 82528 seed collected by Dave Richards in 1996 12 km NE of Ngundu Halt Zimbabwe $8

isi 2008ndash7 Aloe lsquoFirebirdrsquo TrAger A few rosettes of this plant have made their way into cultivation in the three decades since its creation but the cultivar name has not been officially published until now Shannon Lyons hybridized A descoingsii with A thompsoniae to yield this floriferous plant with spotted recurved leaves lsquoFirebirdrsquo looks like

Other Succulents2008isiofferings

5

6

K Griffin

56 CaCtusandsuCCulentJournal

a slender-leaved version of the Bleck hybrid A lsquoCha Charsquo but bests it in producing conical racemes of narrow urceolate bright red-orange flowers almost unceasingly Rooted offsets of HBG 89468 $8

isi 2008ndash8 Aloe lutescens groeneWALd Looking much like a green-leaved A cryptopoda A lutescens differs in that it forms colonies and produces inflorescences with three rather than one or two slender racemes which may also be more than twice as long Bearing larger papery bracts that obscure the small buds in their upper portion the bicolored racemes resemble the similarly-colored form of A cryptopoda known as A wickensii The epithet lutescens ldquobecoming yellowrdquo aptly describes the transition of red buds to open yellow flowers A lutescens also has a more restricted distribution in the north-ern Province of South Africa Rooted cuts of HBG 24597 a plant collected Sept 1969 by John Lavranos at Mariepskop in the northern foothills of the Drakensberg N Prov S Africa $8

7

8

2008volume80number2 57

isi 2008ndash9 Aloe lsquoMacho Pinkrsquo bLeCk This somewhat conflicted hybrid is another developed by John Bleck in the early 1980s but is still not as widely distributed as it deserves It is one of Bleckrsquos ldquofirst four introduc-tionsrdquo series developed for their desirable flowers which are produced nearly non-stop throughout the year Its floriferousness is derived from its Madagascan parents in particular A descoingsii and A parvula while the narrow-campan-ulate flowers on slen-der erect inflores-cences and pinkish white-tipped petals combine features of A albiflora and A bel-latula The four spe-cies in the parentage of this hybrid were crossed according to the following formu-la (A descoingsii times A parvula) times (A albi-flora times A bellatula) The selection made and named by Bleck is his number 1372A Rooted offsets of HBG 52127 $8

isi 2008ndash10 Aloe rupestris bAker This species ranges from Natal South Africa north to Swaziland and southern Mozambique and grows among coast-al forest or rocky slopes as the epi-thet rupestris (ldquogrow-ing in rocky placesrdquo) implies It forms mostly solitary arbo-rescent specimens to 8 m tall though offsetting forms have been favored in cultivation In habit it resembles the related A thraskii and A excelsa which also produce rather

top-heavy rosettes above stems clothed in the upper part with a skirt of persistent dried leaves What is remarkable about this species is its can-delabraform inflorescences which bear up to 15 or more erect cylindri-cal racemes These are densely packed with yellowish buds which open to become completely overshadowed by the brilliant orange exserted stamens The effect is much like the Australian Proteaceae in the genus Banksia HBG 91572 plants grown from seed collected in Swaziland $8

9

10

58 CaCtusandsuCCulentJournal

isi 2008ndash11 Aloe suzannae deCAry This rare Madagascan aloe is distinctive in a number of respects First the spelling of the epithet with a z is different than the South African succulents Crassula susannae and Euphorbia susannae reflecting the French influence in Madagascan botany The species is slow-growing but eventually forms a tree to 4 m The succulent gray lanceolate-linear leaves are nearly straight to a meter long have rounded tips and are packed 60ndash100 per rosette The flowers are also unusual in their creamy white color and broadly campanulate shape with spreading petals These are closely set on a simple spike-like raceme to 3 m tall We have had the good fortune of witnessing this dramatic inflorescence a couple of seasons now in the Huntingtonrsquos Desert Garden Even more fortunate is that this individual has proven self-fertile yielding the seed that has made this offering possible Seedlings from HBG 53704 a plant whose precise origin is unknown $12

isi 2008ndash12 Aloe zebrina lsquoChapplersquos yellowrsquo TrAger This rare yellow-flowered variant stands out in the field of maculate aloesmdasha reference to their typically white-spotted leavesmdashwhich are normally difficult to distinguish from one another In A zebrina whose flowers are typically dull pink the leaves are arranged in compact rosettes that offset to form colonies and the leaf-spots are grouped into bands The leaves dry naturally at the tips even under lush growing conditions so this should not be a cause for concern in cultivation The selection offered here has been maintained in cultivation for more than 30 years by Anthon Ellert first in the former Southern Rhodesia (now Zimbabwe) and since 2001 in Tucson Arizona He acquired a start of the plant from the late Roy Chapple a medical officer for Rhodesia Railways Chapple collected some of this dis-tinctive form dur-ing his journeys on the railways through the terri-tory of Botswana at the small vil-lage of Hildavale Among its virtues according to Ellert are that this form grows equally well in full sun or part shade and will tol-erate light frost Rooted offsets of HBG 97464 $7

11

12

2008volume80number2 59

isi 2008ndash13 timesAstroworthia lsquotowering infernorsquo TrAger Garden hybrids of Astroloba and Haworthia are not uncommon but most are rather muddy-looking mongrels without the distinctive attractions of either parent The hybrid named here for the first time is an exception with its stacked rosettes of stiff narrow-triangular pointed leaves that blush a fiery reddish color The precise parentage is unknown but appears to include one of the smooth-leaved Astroloba species with similar stacking leaves Haworthia coarctata may have contributed its colorful foliage and a hint of tubercles on the leaf-surfaces Rooted offsets of HBG 97487 a plant that came to us in Jan 2001 with the collection of Los Angeles resident Stan Green $7

isi 2008ndash14 Baynesia lophophora bruyns This relatively new monotype (Novon 10 354 2000) is known only from the Baynes Mountains of northwestern Namibia where it usually grows concealed among tufts of grass at 1500ndash1600 m atop the prominent sandstone cliffs that overlook the Kunene River Its clumping stems have a rugulose (with a rough texture resem-bling sandpaper) epidermis quite responsive to light intensity being bright glossy green or blushing dark brownish with just a few daysrsquo exposure to brighter light Vegetatively the species resembles Anomalluma dodsoniana (placed in Caralluma or Pseudolithos by some authors) but the ridged papillate crested corolla-lobes of B lophophora are unique among stapeliads The flowers hang near the stem tips from slender pedicels and are maroon with a white throat Fly pollinators are attracted to a mild but detectable odor These are not species specific as the plants form fruits in cultivation well removed from habitat and its particular pollinators Divisions from about three dozen clones of HBG 97463 second generation seedlings of Bruyns 8000 the type collection made in Dec 1999 $5

13

14

60 CaCtusandsuCCulentJournal

isi 2008ndash15 Cheiridopsis derenbergiana sChWAnTes This is a widespread Namaqualand species that includes a number of synonyms In any case it is a satisfying miniature with pellucid leaves and lemon yellow to nearly chartreuse flowers It grows well in our greenhouse but is more compact outdoors in the shade-house There it receives brighter light and better ventilation and survives mild frosts and winter rains HBG 97768 second generation seedlings of J Trager 97ndash29 seed collected atop gneiss hills above Omega Farm ca 20 km ENE of Springbok N Cape S Africa $6

isi 2008ndash16 Euphorbia milii des mouLins This form of the ever-popular ldquocrown of thornsrdquo makes an upright shrub to about 1 m tall It is a spectacular sight in flower and rivals some of the ldquoimprovedrdquo Thai hybrids with its large clusters of bright pink cyathia At the onset of winter dormancy the leaves provide some fall color as they blush red before going deciduous HBG 97522 plants from Roumloumlsli amp Hoffmann 506 seeds collected 17 Nov 2006 at Mahatsingo Madagascar $8

15

16

John Trager at the habitat of the Cheiridopsis derenbergiana

collection offeredW

Roumlouml

sli

2008volume80number2 61

isi 2008ndash17 Euphorbia sp aff oncoclada drAke This is one of a group of shrubby to arborescent coralliform euphorbiasmdasha reference to their coral-like growth Included is the common E tirucalli and the thicker-branched E oncoclada native to south-western Madagascar but which this northerly species resembles This possibly-new species forms smaller specimens on the lean sharp tsingy limestone of its habitat HBG 97494 Roumloumlsli amp Hoffmann 5405 seeds collected 26 Dec 2005 at the dramatic limestone formations called Windsor Castle near the northern tip of Madagascar $7

isi 2008ndash18 Euphorbia sp aff umbraculiformis rAuh This possibly-new succulent-stemmed euphorbia has broader leaves than the related E umbraculiformis As in that species the leaves are arranged in rosettes at the stem tips where the colorful leaf bases unite to form a red eye HBG 97495 Roumloumlsli amp Hoffmann 5905 from seeds collected 26 Dec 2005 at Windsor Castle Madagascar $8

isi 2008ndash19 Fouquieria purpusii T s brAndegee This has long been one of the least cultivated of this genus of succulent shrubs pachycauls and caudiciforms and only recently has seed become available This pachycaul succulent forms a gradu-ally tapered light green trunk ornamented with corky markings and bearing slender lateral branches armed with thorns In growth these branches are covered with linear leaves the same light green color as the trunk The species is known only from limestone in southern Puebla and northern Oaxaca Mexico HBG 97465 from hand-pollination of long-cultivated specimens grown at Orange Coast College by master propagator Joe Stead $14

18

W R

oumloumlsl

i

D Houston

17

19D Houston

62 CaCtusandsuCCulentJournal

isi 2008ndash20 Gasteria lsquoBronze knucklesrsquo TrAger Gasterias are often indiscriminately hybridized in southern California by humming-birds Therefore open-pollinated seed (as opposed to that from controlled pollination) is rarely worth keep-ing or sowing When set on a desirable spe-cies like G armstrongii however one might be tempted to try some That is the history of this new cultivar which appears to be a hybrid of G nitida var arm-strongii and G bicolor var liliputana The lat-

ter species lends its glossiness and dwarf offsetting habit to the dark leaf-color of the former This miniature clumper is deep green in shade but can blush a lovely bronze with more light hence the cultivar name The rosettes of recurved leaves are at first distichous but they later become rosulate Divisions of HBG 97466 one of a batch of mostly true offspring from seed harvested by one of our more pugnacious volunteers whose wings beat nearly as fast as the pollinator $7

isi 2008ndash21 Kalanchoe laxiflo-ra bAker This kalanchoe is vari-able like its commoner relative K fedtschenkoi This particular collection has sharply serrate leaves These can be quite strik-ing when grown in good light as they blush pastel pinkish tones and have teeth boldly outlined with dark purple The species is also variable with regard to flower color which has given rise to a number of subspe-cies now considered synonyms Rooted cuts of HBG 97488 cut-tings collected 23 Oct 1995 by Lavranos (30021) Barad James

20

21

2008volume80number2 63

Kimnach amp Linden ca 105 km N of Fianarantsoa Madagascar $6

isi 2008ndash22 Ledebouria crispa s venTer The genus Ledebouria is familiar to suc-culent collectors through the popular L violacea which has above-ground bulbs and attractively spotted foliage L crispa differs in its dwarf stature and strongly undulate or

ldquocrispedrdquo leaf margins It is known only from hills sur-rounding Pietersburg in the Northern Province of South Africa Though dor-mant in winter the plants have proven completely tolerant of the light frosts and winter rain experi-enced in our shade house Divisions of HBG 81213 a plant from seed of L Lippold 80ndash159 collected 2 Oct 1980 $8

isi 2008ndash23 Oeceoclades petiolata (sChLeChTer) gArAy amp P TAyLor This terrestrial orchid is an understory-denizen of the thorn forests of Madagascar (see prior offerings of this genus 2001ndash2005) Its succulent cordate leaf blade is reminiscent of that of the South African terrestrial Holothrix orchids but is held above the glossy pseudobulb by a slender petiole HBG 97472 plants from controlled pollination of Roumloumlsli amp Hoffmann sn collected Dec 1992 Mt de Franccedilais Diego Suarez Madagascar $24

isi 2008ndash24 Operculicarya decaryi h Perrier Some growers may be tempted to duplicate the bonsai form of this spe-cies sometimes seen in shows This requires diligence and if that is lacking O pachypus would be a better choice as it is

22

23

64 CaCtusandsuCCulentJournal

a natural succulent bonsai O decaryi is similar to that species vegetatively but wants to be a tree with a spindle-shaped trunk to 6 m or more tall Within the con-fines of a pot however it is slow-growing and can be maintained within bounds for decades while one appreciates its attrac-tive features the knobby bark delightful deep green to purplish pinnate leaves and eventually the small deep red flowers HBG 97492 plants from seed collected 23 Nov 2005 by Roumloumlsli amp Hoffmann (2305) at Morombe Madagascar $12

isi 2008ndash25 Ornithogalum pruinosum F m LeighTon Succulent leaves can be found on a few members of this genus of mostly South African bulbs and most are excel-lent companions for winter-growing suc-culents and have lovely flowers In the case of O pruinosum these are 2 cm or more in diameter white with yellow pistils and usually bear an olive green spot at the base of each tepal Seedlings from HBG 97489 bulbs collected in Namaqualand S Africa $5

isi 2008ndash26 Othonna retrofracta JACquin This precocious pachycaul packs away photosynthates at an early age to form a plump caudex Later slender branch-es develop atop the caudiciform trunk to form a charmingly awkward adoles-cent stage on the way to forming a small shrublet Commonly labeled O lobata or

24

25

D H

oust

on

K Griffin

D H

oust

on

2008volume80number2 65

O quercifolia O retrofracta is the older name to apply to this widespread Namaqualand species The synonyms imply the variability of the species especially with respect to divi-sion of the leaf into pinnatifid lobes The species is ideally suited to culture in a Mediterranean climate or wherever winter-growing succulents thrive Seedlings from controlled pollination of HBG 65252 plants originally from the Sheilam Nursery in Cape Town $7

isi 2008ndash27 Rauhia decora rAvennA The amaryllidaceous genus Rauhia consists of just three species of succulent-leaved bulbs from the Peruvian Andes R multiflora first described in 1969 is the most widely cultivated The other two are little known and some suggest may be variants of the original species Nevertheless R decora (as the epithet implies) is the most ornamental In addition to bearing the fleshy obovate leaves of the genus these are attractively speckled with silver The greenish funnelform flowers are arranged in umbels as is diagnostic for the family HBG 97490 second-generation seedlings of Paul Hutchison 3799 collected in Peru Dept Amazonas Prov Bagua in the can-yon of the Riacuteo Utcubamba 288 km E of Olmos 820 m $10

isi 2008ndash28 Ruschia tumidula (hAWorTh) sChWAnTes This widespread species from the West Cape of South Africa and north to Namibia grows to be an upright shrub to 60 cm tall In spring its wand-like branches are clothed with bright magenta flowers 2 cm across Rooted cuts of HBG 67594 a 26

27 28

66 CaCtusandsuCCulentJournal

plant from seed collected Aug 1990 by Michael Vassar (MV 6164) 5 km up Rooiberg Pass east of Calitzdorp W Cape S Africa $6

isi 2008ndash29 Sansevieria trifasciata lsquoForescatersquo The Mother-in-lawrsquos Tongue as S trifasciata is commonly called is exceedingly popular around the world as a durable houseplant or landscape subject in the tropics and subtropics Some of its many sports are old standbys of the nursery industry and many of the slower-grow-ing selections are choice collectorrsquos items S lsquoForescatersquo is particularly sought after for its stately leaves of vivid yellow with green margins Divisions of HBG 65341 a plant received from KD Morgenstern via Kew Botanical Gardens in 1989 $35

isi 2008ndash30 Urginea maritima (L) bAker This Mediterranean bulb can achieve massive proportions as large as a volleyball and weighing more than 10 pounds It is a winter grower with a rosette of glaucous sword-shaped leaves to two feet long The bulb clothed in a papery reddish tunic mounds up above the ground with age or can be grown above-ground in a pot In summer the plant is dormant the foliage dried and mostly gone yet the plant reasserts itself in dramatic fashion by producing a flower stalk to 2 m tall the upper third or more being a dense raceme packed with white flowers HBG 97479 plants grown from seed of horticultural origin $5

Additions and Corrections

isi 2004ndash35 Sansevieria patens According to Len Newton (Sansevieria 13 3 2005) the origin and iden-tity of NE Brownrsquos original S patens remains an unsolved mystery Therefore Steve Jankalski (Sansevieria 15 8ndash9 2006) has coined the cultivar name S lsquoEd Ebyrsquo for this plant in honor of the man who rescued the surviv-ing plant from Koko Crater Botanic Garden in Hawaii Jankalski suggests that the plant may be a hybrid of S canaliculata and S pearso-nii two species employed in the USDA breeding program in Florida for developing superior fiber-plants many of which ended up in Koko Crater Alternatively the plant may be an open hybrid of these two species which are also cultivated at Koko Crater Further research will be required to determine the possible hybrid origin of S lsquoEd Ebyrsquo and its parent-age

30

29

52 CaCtusandsuCCulentJournal

The Huntington Botanical Gardens presents the 2008 offering of

e

internationalsucculent

introductions

International Succulent Introductions is the plant introduction program of the Hun-tington Botanical Gardens a private insti-tution with a world-renowned Desert Gar-den Since shortly after its inception in 1958 ISI has had a long-standing associa-tion with the Huntington and was adopted in its entirety by the Huntington in 1989

furthering the institutionrsquos dedication to aesthetics education conservation and scientific study

The aim of International Succulent Introduc-tions is to propagate and distribute new or rare succulents to collectors nurseries and institu-tions In keeping with sound conservation practic-es field-collected plants are not sold Only nurs-ery-propagated seedlings grafts and rooted cut-tings produced without detriment to wild popu-lations are offered Income is used solely to sup-port this program An annual mail-order offering appears in each MarchndashApril issue of this jour-nal The list with photos is also accessible on the Internet at wwwhuntingtonorg

The Huntington is a non-profit 501(c)(3) orga-nization Charitable contributions to the Hunting-tonrsquos ISI program are welcome

Ordering informationAddress orders to ISI Huntington Botanical Gar-dens 1151 Oxford Road San Marino CA 91108 No minimum order All orders are sent by Priority Mail one or more flat-rate boxes ($895 each) will be used Each box can hold approximately five of our larger plants To calculate shipping divide the number of plants in your order by five to

determine the number of boxes required for your order Add $895 per box Should your order fit into fewer boxes than calculated or should some of the plants ordered be out of stock at the time of shipping the overage will be credited to credit card orders Other customers will receive a cred-it note on the packing list You may use the origi-nal credit note for a future order or return it with a request for a refund Because some items are in short supply we encourage the listing of several alternate selections

We regret that due to agricultural and other restrictions we are no longer able to ship plants outside the US nor to Napa and Sonoma Coun-ties in California The following states (subject to change) require an additional $15 certification fee for pest inspection by a California agricultur-al inspector AL AK AZ ID IN LA MS NC SC TN VA WV Orders to California counties north of Los Angeles must include an additional $5 to cover mandatory pesticide treatment Cali-fornia residents must add 825 sales tax

Payment must be either by check or money order drawn in US dollars and payable to the Huntington through a United States bank or by Visa Mastercard Discover or American Express Checks will be processed upon receipt Credit card payments will usually be processed the week prior to shipping Orders may be sent via e-mail to jtragerhuntingtonorg For security purpos-es charge-card number and expiration date may be called in to 626ndash405ndash3512 or orders may be faxed to 626ndash405ndash3501

Orders will be accepted until 15 May 2008 and will be shipped in June or July

JOHN N TRAGER

2008volume80number2 53

internationalsucculent

introductions

isi 2008ndash1 Parodia taratensis CaacuteRDenas In 1964 noted Bolivian cactologist Martiacuten Caacuterdenas described P tara-tensis from between Tarata and the Riacuteo Caine That same year German explorer Wolfgang Krahn found another population nearby Walter Weskamp later described material from this population as P krahnii a name now considered a synonym of P taratensis The species has golden yellow flowers and the spination includes chestnut brown centrals which are usually prominently hooked The stems tend to become clavate and have spirally arranged ribs We offer HBG 97499 plants grown from controlled pollination of W Krahn 167 originally collected at 2200 m elevation between La Vintildea and the Riacuteo Caine Prov Tarata Dept Cochabamba Bolivia $5

isi 2008ndash2 Peniocereus cuixmalensis saacutenCHez-mejoRaDa Though described in 1973 this species has barely seen cultivation Its juvenile stems at first appear uniformly dark green but closer inspection reveals fine speckling These stems are six-ribbed and finely spined while mature stems are usually four-ribbed and spinier The sparingly branched stems arise from tuberous roots that eventually reach 25 cm or more across and twice as long well disposed to elevating in caudiciform fashion The nocturnal flowers are white and trumpet shaped typical of the genus and are followed by colorful red ovoid fruits to 6 cm long The species is native to the coastal forests of Jalisco Colima and Michoacaacuten Our offering is rooted cuts of HBG 57313 a plant grown from seed col-lected by Lomeliacute Sencioacuten at 260 m at Km 155 along the highway from Barra de Navidad to Puerto Vallarta Jalisco Mexico $5

Cacti2008isiofferings

1

2

54 CaCtusandsuCCulentJournal

isi 2008ndash3 Pereskia guamacho F A C Weber This inhabitant of the thorn-forests of northern Venezuela is a tree to 8 m tall It is distinctive in its divergent branching pattern and yellow flowers We offer HBG 97480 plants grown from seed collected Sept 1997 by CSSA grant recipient Jafet Nassar while researching population genetics of cacti in Venezuela Falcoacuten Peninsula de Paraguanaacute San Joseacute de Acaboa ca 30 m elevation $6

isi 2008ndash4 Stenocactus coptonogonus (LemAire) A berger When not in flower this flattened globular cactus with its stout triads of flattened spines resembles an over-ribbed astrophytum or a miniature horse-crippler (Echinocactus texensis) The flowers however are typical of its genus having many petals pale with purple midstripes With a little imagination adding more ribs and giving them a few sinuous curves one can see the affinity to the more typical vegetative form of the genus which has given rise to the common name ldquobrain cactusrdquo This spe-cies is native to several states of central Mexico Our plants come without specific locality information but are neverthe-less worthy container speci-mens or rockery subjects in drier climates where they can tolerate winter temperatures in the 20s HBG 97500 $5

3

4

2008volume80number2 55

isi 2008ndash5 Agave parrasana A berger Among medium-sized land-scape agaves (with rosettes under 60 cm diameter) this is one of the choicest Like the much sought-after A parryi var truncata this agave forms compact artichoke-like rosettes of glaucous leaves It differs in having more contorted fiercer-looking mar-ginal teeth These make evocative imprints on the backs of the leaves Our seed-grown plants display a range of variation that will be fascinating to watch as their mature patterns develop The species is restricted to the lime-stone Parras mountains of SE Coahuila Mexico between 1400 and 2480 m elevation HBG 97485 $8

isi 2008ndash6 Aloe acu-leata PoLe-evAns This choice landscape aloe forms solitary rosettes up to 1 m across but can flower at a third that size Its broad leaves incurve slightly giving the rosette a rounded appearance Perhaps the most desirable fea-ture of this aloe is one especially well-devel-oped in the population from which our offering originates the margins and surface of the thick leaves bear promi-nent red-brown prick-les arising from white tuberculate bases The solitary racemes in this form are also typically bicolored with orange

buds opening yellow Second generation seedlings from HBG 82528 seed collected by Dave Richards in 1996 12 km NE of Ngundu Halt Zimbabwe $8

isi 2008ndash7 Aloe lsquoFirebirdrsquo TrAger A few rosettes of this plant have made their way into cultivation in the three decades since its creation but the cultivar name has not been officially published until now Shannon Lyons hybridized A descoingsii with A thompsoniae to yield this floriferous plant with spotted recurved leaves lsquoFirebirdrsquo looks like

Other Succulents2008isiofferings

5

6

K Griffin

56 CaCtusandsuCCulentJournal

a slender-leaved version of the Bleck hybrid A lsquoCha Charsquo but bests it in producing conical racemes of narrow urceolate bright red-orange flowers almost unceasingly Rooted offsets of HBG 89468 $8

isi 2008ndash8 Aloe lutescens groeneWALd Looking much like a green-leaved A cryptopoda A lutescens differs in that it forms colonies and produces inflorescences with three rather than one or two slender racemes which may also be more than twice as long Bearing larger papery bracts that obscure the small buds in their upper portion the bicolored racemes resemble the similarly-colored form of A cryptopoda known as A wickensii The epithet lutescens ldquobecoming yellowrdquo aptly describes the transition of red buds to open yellow flowers A lutescens also has a more restricted distribution in the north-ern Province of South Africa Rooted cuts of HBG 24597 a plant collected Sept 1969 by John Lavranos at Mariepskop in the northern foothills of the Drakensberg N Prov S Africa $8

7

8

2008volume80number2 57

isi 2008ndash9 Aloe lsquoMacho Pinkrsquo bLeCk This somewhat conflicted hybrid is another developed by John Bleck in the early 1980s but is still not as widely distributed as it deserves It is one of Bleckrsquos ldquofirst four introduc-tionsrdquo series developed for their desirable flowers which are produced nearly non-stop throughout the year Its floriferousness is derived from its Madagascan parents in particular A descoingsii and A parvula while the narrow-campan-ulate flowers on slen-der erect inflores-cences and pinkish white-tipped petals combine features of A albiflora and A bel-latula The four spe-cies in the parentage of this hybrid were crossed according to the following formu-la (A descoingsii times A parvula) times (A albi-flora times A bellatula) The selection made and named by Bleck is his number 1372A Rooted offsets of HBG 52127 $8

isi 2008ndash10 Aloe rupestris bAker This species ranges from Natal South Africa north to Swaziland and southern Mozambique and grows among coast-al forest or rocky slopes as the epi-thet rupestris (ldquogrow-ing in rocky placesrdquo) implies It forms mostly solitary arbo-rescent specimens to 8 m tall though offsetting forms have been favored in cultivation In habit it resembles the related A thraskii and A excelsa which also produce rather

top-heavy rosettes above stems clothed in the upper part with a skirt of persistent dried leaves What is remarkable about this species is its can-delabraform inflorescences which bear up to 15 or more erect cylindri-cal racemes These are densely packed with yellowish buds which open to become completely overshadowed by the brilliant orange exserted stamens The effect is much like the Australian Proteaceae in the genus Banksia HBG 91572 plants grown from seed collected in Swaziland $8

9

10

58 CaCtusandsuCCulentJournal

isi 2008ndash11 Aloe suzannae deCAry This rare Madagascan aloe is distinctive in a number of respects First the spelling of the epithet with a z is different than the South African succulents Crassula susannae and Euphorbia susannae reflecting the French influence in Madagascan botany The species is slow-growing but eventually forms a tree to 4 m The succulent gray lanceolate-linear leaves are nearly straight to a meter long have rounded tips and are packed 60ndash100 per rosette The flowers are also unusual in their creamy white color and broadly campanulate shape with spreading petals These are closely set on a simple spike-like raceme to 3 m tall We have had the good fortune of witnessing this dramatic inflorescence a couple of seasons now in the Huntingtonrsquos Desert Garden Even more fortunate is that this individual has proven self-fertile yielding the seed that has made this offering possible Seedlings from HBG 53704 a plant whose precise origin is unknown $12

isi 2008ndash12 Aloe zebrina lsquoChapplersquos yellowrsquo TrAger This rare yellow-flowered variant stands out in the field of maculate aloesmdasha reference to their typically white-spotted leavesmdashwhich are normally difficult to distinguish from one another In A zebrina whose flowers are typically dull pink the leaves are arranged in compact rosettes that offset to form colonies and the leaf-spots are grouped into bands The leaves dry naturally at the tips even under lush growing conditions so this should not be a cause for concern in cultivation The selection offered here has been maintained in cultivation for more than 30 years by Anthon Ellert first in the former Southern Rhodesia (now Zimbabwe) and since 2001 in Tucson Arizona He acquired a start of the plant from the late Roy Chapple a medical officer for Rhodesia Railways Chapple collected some of this dis-tinctive form dur-ing his journeys on the railways through the terri-tory of Botswana at the small vil-lage of Hildavale Among its virtues according to Ellert are that this form grows equally well in full sun or part shade and will tol-erate light frost Rooted offsets of HBG 97464 $7

11

12

2008volume80number2 59

isi 2008ndash13 timesAstroworthia lsquotowering infernorsquo TrAger Garden hybrids of Astroloba and Haworthia are not uncommon but most are rather muddy-looking mongrels without the distinctive attractions of either parent The hybrid named here for the first time is an exception with its stacked rosettes of stiff narrow-triangular pointed leaves that blush a fiery reddish color The precise parentage is unknown but appears to include one of the smooth-leaved Astroloba species with similar stacking leaves Haworthia coarctata may have contributed its colorful foliage and a hint of tubercles on the leaf-surfaces Rooted offsets of HBG 97487 a plant that came to us in Jan 2001 with the collection of Los Angeles resident Stan Green $7

isi 2008ndash14 Baynesia lophophora bruyns This relatively new monotype (Novon 10 354 2000) is known only from the Baynes Mountains of northwestern Namibia where it usually grows concealed among tufts of grass at 1500ndash1600 m atop the prominent sandstone cliffs that overlook the Kunene River Its clumping stems have a rugulose (with a rough texture resem-bling sandpaper) epidermis quite responsive to light intensity being bright glossy green or blushing dark brownish with just a few daysrsquo exposure to brighter light Vegetatively the species resembles Anomalluma dodsoniana (placed in Caralluma or Pseudolithos by some authors) but the ridged papillate crested corolla-lobes of B lophophora are unique among stapeliads The flowers hang near the stem tips from slender pedicels and are maroon with a white throat Fly pollinators are attracted to a mild but detectable odor These are not species specific as the plants form fruits in cultivation well removed from habitat and its particular pollinators Divisions from about three dozen clones of HBG 97463 second generation seedlings of Bruyns 8000 the type collection made in Dec 1999 $5

13

14

60 CaCtusandsuCCulentJournal

isi 2008ndash15 Cheiridopsis derenbergiana sChWAnTes This is a widespread Namaqualand species that includes a number of synonyms In any case it is a satisfying miniature with pellucid leaves and lemon yellow to nearly chartreuse flowers It grows well in our greenhouse but is more compact outdoors in the shade-house There it receives brighter light and better ventilation and survives mild frosts and winter rains HBG 97768 second generation seedlings of J Trager 97ndash29 seed collected atop gneiss hills above Omega Farm ca 20 km ENE of Springbok N Cape S Africa $6

isi 2008ndash16 Euphorbia milii des mouLins This form of the ever-popular ldquocrown of thornsrdquo makes an upright shrub to about 1 m tall It is a spectacular sight in flower and rivals some of the ldquoimprovedrdquo Thai hybrids with its large clusters of bright pink cyathia At the onset of winter dormancy the leaves provide some fall color as they blush red before going deciduous HBG 97522 plants from Roumloumlsli amp Hoffmann 506 seeds collected 17 Nov 2006 at Mahatsingo Madagascar $8

15

16

John Trager at the habitat of the Cheiridopsis derenbergiana

collection offeredW

Roumlouml

sli

2008volume80number2 61

isi 2008ndash17 Euphorbia sp aff oncoclada drAke This is one of a group of shrubby to arborescent coralliform euphorbiasmdasha reference to their coral-like growth Included is the common E tirucalli and the thicker-branched E oncoclada native to south-western Madagascar but which this northerly species resembles This possibly-new species forms smaller specimens on the lean sharp tsingy limestone of its habitat HBG 97494 Roumloumlsli amp Hoffmann 5405 seeds collected 26 Dec 2005 at the dramatic limestone formations called Windsor Castle near the northern tip of Madagascar $7

isi 2008ndash18 Euphorbia sp aff umbraculiformis rAuh This possibly-new succulent-stemmed euphorbia has broader leaves than the related E umbraculiformis As in that species the leaves are arranged in rosettes at the stem tips where the colorful leaf bases unite to form a red eye HBG 97495 Roumloumlsli amp Hoffmann 5905 from seeds collected 26 Dec 2005 at Windsor Castle Madagascar $8

isi 2008ndash19 Fouquieria purpusii T s brAndegee This has long been one of the least cultivated of this genus of succulent shrubs pachycauls and caudiciforms and only recently has seed become available This pachycaul succulent forms a gradu-ally tapered light green trunk ornamented with corky markings and bearing slender lateral branches armed with thorns In growth these branches are covered with linear leaves the same light green color as the trunk The species is known only from limestone in southern Puebla and northern Oaxaca Mexico HBG 97465 from hand-pollination of long-cultivated specimens grown at Orange Coast College by master propagator Joe Stead $14

18

W R

oumloumlsl

i

D Houston

17

19D Houston

62 CaCtusandsuCCulentJournal

isi 2008ndash20 Gasteria lsquoBronze knucklesrsquo TrAger Gasterias are often indiscriminately hybridized in southern California by humming-birds Therefore open-pollinated seed (as opposed to that from controlled pollination) is rarely worth keep-ing or sowing When set on a desirable spe-cies like G armstrongii however one might be tempted to try some That is the history of this new cultivar which appears to be a hybrid of G nitida var arm-strongii and G bicolor var liliputana The lat-

ter species lends its glossiness and dwarf offsetting habit to the dark leaf-color of the former This miniature clumper is deep green in shade but can blush a lovely bronze with more light hence the cultivar name The rosettes of recurved leaves are at first distichous but they later become rosulate Divisions of HBG 97466 one of a batch of mostly true offspring from seed harvested by one of our more pugnacious volunteers whose wings beat nearly as fast as the pollinator $7

isi 2008ndash21 Kalanchoe laxiflo-ra bAker This kalanchoe is vari-able like its commoner relative K fedtschenkoi This particular collection has sharply serrate leaves These can be quite strik-ing when grown in good light as they blush pastel pinkish tones and have teeth boldly outlined with dark purple The species is also variable with regard to flower color which has given rise to a number of subspe-cies now considered synonyms Rooted cuts of HBG 97488 cut-tings collected 23 Oct 1995 by Lavranos (30021) Barad James

20

21

2008volume80number2 63

Kimnach amp Linden ca 105 km N of Fianarantsoa Madagascar $6

isi 2008ndash22 Ledebouria crispa s venTer The genus Ledebouria is familiar to suc-culent collectors through the popular L violacea which has above-ground bulbs and attractively spotted foliage L crispa differs in its dwarf stature and strongly undulate or

ldquocrispedrdquo leaf margins It is known only from hills sur-rounding Pietersburg in the Northern Province of South Africa Though dor-mant in winter the plants have proven completely tolerant of the light frosts and winter rain experi-enced in our shade house Divisions of HBG 81213 a plant from seed of L Lippold 80ndash159 collected 2 Oct 1980 $8

isi 2008ndash23 Oeceoclades petiolata (sChLeChTer) gArAy amp P TAyLor This terrestrial orchid is an understory-denizen of the thorn forests of Madagascar (see prior offerings of this genus 2001ndash2005) Its succulent cordate leaf blade is reminiscent of that of the South African terrestrial Holothrix orchids but is held above the glossy pseudobulb by a slender petiole HBG 97472 plants from controlled pollination of Roumloumlsli amp Hoffmann sn collected Dec 1992 Mt de Franccedilais Diego Suarez Madagascar $24

isi 2008ndash24 Operculicarya decaryi h Perrier Some growers may be tempted to duplicate the bonsai form of this spe-cies sometimes seen in shows This requires diligence and if that is lacking O pachypus would be a better choice as it is

22

23

64 CaCtusandsuCCulentJournal

a natural succulent bonsai O decaryi is similar to that species vegetatively but wants to be a tree with a spindle-shaped trunk to 6 m or more tall Within the con-fines of a pot however it is slow-growing and can be maintained within bounds for decades while one appreciates its attrac-tive features the knobby bark delightful deep green to purplish pinnate leaves and eventually the small deep red flowers HBG 97492 plants from seed collected 23 Nov 2005 by Roumloumlsli amp Hoffmann (2305) at Morombe Madagascar $12

isi 2008ndash25 Ornithogalum pruinosum F m LeighTon Succulent leaves can be found on a few members of this genus of mostly South African bulbs and most are excel-lent companions for winter-growing suc-culents and have lovely flowers In the case of O pruinosum these are 2 cm or more in diameter white with yellow pistils and usually bear an olive green spot at the base of each tepal Seedlings from HBG 97489 bulbs collected in Namaqualand S Africa $5

isi 2008ndash26 Othonna retrofracta JACquin This precocious pachycaul packs away photosynthates at an early age to form a plump caudex Later slender branch-es develop atop the caudiciform trunk to form a charmingly awkward adoles-cent stage on the way to forming a small shrublet Commonly labeled O lobata or

24

25

D H

oust

on

K Griffin

D H

oust

on

2008volume80number2 65

O quercifolia O retrofracta is the older name to apply to this widespread Namaqualand species The synonyms imply the variability of the species especially with respect to divi-sion of the leaf into pinnatifid lobes The species is ideally suited to culture in a Mediterranean climate or wherever winter-growing succulents thrive Seedlings from controlled pollination of HBG 65252 plants originally from the Sheilam Nursery in Cape Town $7

isi 2008ndash27 Rauhia decora rAvennA The amaryllidaceous genus Rauhia consists of just three species of succulent-leaved bulbs from the Peruvian Andes R multiflora first described in 1969 is the most widely cultivated The other two are little known and some suggest may be variants of the original species Nevertheless R decora (as the epithet implies) is the most ornamental In addition to bearing the fleshy obovate leaves of the genus these are attractively speckled with silver The greenish funnelform flowers are arranged in umbels as is diagnostic for the family HBG 97490 second-generation seedlings of Paul Hutchison 3799 collected in Peru Dept Amazonas Prov Bagua in the can-yon of the Riacuteo Utcubamba 288 km E of Olmos 820 m $10

isi 2008ndash28 Ruschia tumidula (hAWorTh) sChWAnTes This widespread species from the West Cape of South Africa and north to Namibia grows to be an upright shrub to 60 cm tall In spring its wand-like branches are clothed with bright magenta flowers 2 cm across Rooted cuts of HBG 67594 a 26

27 28

66 CaCtusandsuCCulentJournal

plant from seed collected Aug 1990 by Michael Vassar (MV 6164) 5 km up Rooiberg Pass east of Calitzdorp W Cape S Africa $6

isi 2008ndash29 Sansevieria trifasciata lsquoForescatersquo The Mother-in-lawrsquos Tongue as S trifasciata is commonly called is exceedingly popular around the world as a durable houseplant or landscape subject in the tropics and subtropics Some of its many sports are old standbys of the nursery industry and many of the slower-grow-ing selections are choice collectorrsquos items S lsquoForescatersquo is particularly sought after for its stately leaves of vivid yellow with green margins Divisions of HBG 65341 a plant received from KD Morgenstern via Kew Botanical Gardens in 1989 $35

isi 2008ndash30 Urginea maritima (L) bAker This Mediterranean bulb can achieve massive proportions as large as a volleyball and weighing more than 10 pounds It is a winter grower with a rosette of glaucous sword-shaped leaves to two feet long The bulb clothed in a papery reddish tunic mounds up above the ground with age or can be grown above-ground in a pot In summer the plant is dormant the foliage dried and mostly gone yet the plant reasserts itself in dramatic fashion by producing a flower stalk to 2 m tall the upper third or more being a dense raceme packed with white flowers HBG 97479 plants grown from seed of horticultural origin $5

Additions and Corrections

isi 2004ndash35 Sansevieria patens According to Len Newton (Sansevieria 13 3 2005) the origin and iden-tity of NE Brownrsquos original S patens remains an unsolved mystery Therefore Steve Jankalski (Sansevieria 15 8ndash9 2006) has coined the cultivar name S lsquoEd Ebyrsquo for this plant in honor of the man who rescued the surviv-ing plant from Koko Crater Botanic Garden in Hawaii Jankalski suggests that the plant may be a hybrid of S canaliculata and S pearso-nii two species employed in the USDA breeding program in Florida for developing superior fiber-plants many of which ended up in Koko Crater Alternatively the plant may be an open hybrid of these two species which are also cultivated at Koko Crater Further research will be required to determine the possible hybrid origin of S lsquoEd Ebyrsquo and its parent-age

30

29

2008volume80number2 53

internationalsucculent

introductions

isi 2008ndash1 Parodia taratensis CaacuteRDenas In 1964 noted Bolivian cactologist Martiacuten Caacuterdenas described P tara-tensis from between Tarata and the Riacuteo Caine That same year German explorer Wolfgang Krahn found another population nearby Walter Weskamp later described material from this population as P krahnii a name now considered a synonym of P taratensis The species has golden yellow flowers and the spination includes chestnut brown centrals which are usually prominently hooked The stems tend to become clavate and have spirally arranged ribs We offer HBG 97499 plants grown from controlled pollination of W Krahn 167 originally collected at 2200 m elevation between La Vintildea and the Riacuteo Caine Prov Tarata Dept Cochabamba Bolivia $5

isi 2008ndash2 Peniocereus cuixmalensis saacutenCHez-mejoRaDa Though described in 1973 this species has barely seen cultivation Its juvenile stems at first appear uniformly dark green but closer inspection reveals fine speckling These stems are six-ribbed and finely spined while mature stems are usually four-ribbed and spinier The sparingly branched stems arise from tuberous roots that eventually reach 25 cm or more across and twice as long well disposed to elevating in caudiciform fashion The nocturnal flowers are white and trumpet shaped typical of the genus and are followed by colorful red ovoid fruits to 6 cm long The species is native to the coastal forests of Jalisco Colima and Michoacaacuten Our offering is rooted cuts of HBG 57313 a plant grown from seed col-lected by Lomeliacute Sencioacuten at 260 m at Km 155 along the highway from Barra de Navidad to Puerto Vallarta Jalisco Mexico $5

Cacti2008isiofferings

1

2

54 CaCtusandsuCCulentJournal

isi 2008ndash3 Pereskia guamacho F A C Weber This inhabitant of the thorn-forests of northern Venezuela is a tree to 8 m tall It is distinctive in its divergent branching pattern and yellow flowers We offer HBG 97480 plants grown from seed collected Sept 1997 by CSSA grant recipient Jafet Nassar while researching population genetics of cacti in Venezuela Falcoacuten Peninsula de Paraguanaacute San Joseacute de Acaboa ca 30 m elevation $6

isi 2008ndash4 Stenocactus coptonogonus (LemAire) A berger When not in flower this flattened globular cactus with its stout triads of flattened spines resembles an over-ribbed astrophytum or a miniature horse-crippler (Echinocactus texensis) The flowers however are typical of its genus having many petals pale with purple midstripes With a little imagination adding more ribs and giving them a few sinuous curves one can see the affinity to the more typical vegetative form of the genus which has given rise to the common name ldquobrain cactusrdquo This spe-cies is native to several states of central Mexico Our plants come without specific locality information but are neverthe-less worthy container speci-mens or rockery subjects in drier climates where they can tolerate winter temperatures in the 20s HBG 97500 $5

3

4

2008volume80number2 55

isi 2008ndash5 Agave parrasana A berger Among medium-sized land-scape agaves (with rosettes under 60 cm diameter) this is one of the choicest Like the much sought-after A parryi var truncata this agave forms compact artichoke-like rosettes of glaucous leaves It differs in having more contorted fiercer-looking mar-ginal teeth These make evocative imprints on the backs of the leaves Our seed-grown plants display a range of variation that will be fascinating to watch as their mature patterns develop The species is restricted to the lime-stone Parras mountains of SE Coahuila Mexico between 1400 and 2480 m elevation HBG 97485 $8

isi 2008ndash6 Aloe acu-leata PoLe-evAns This choice landscape aloe forms solitary rosettes up to 1 m across but can flower at a third that size Its broad leaves incurve slightly giving the rosette a rounded appearance Perhaps the most desirable fea-ture of this aloe is one especially well-devel-oped in the population from which our offering originates the margins and surface of the thick leaves bear promi-nent red-brown prick-les arising from white tuberculate bases The solitary racemes in this form are also typically bicolored with orange

buds opening yellow Second generation seedlings from HBG 82528 seed collected by Dave Richards in 1996 12 km NE of Ngundu Halt Zimbabwe $8

isi 2008ndash7 Aloe lsquoFirebirdrsquo TrAger A few rosettes of this plant have made their way into cultivation in the three decades since its creation but the cultivar name has not been officially published until now Shannon Lyons hybridized A descoingsii with A thompsoniae to yield this floriferous plant with spotted recurved leaves lsquoFirebirdrsquo looks like

Other Succulents2008isiofferings

5

6

K Griffin

56 CaCtusandsuCCulentJournal

a slender-leaved version of the Bleck hybrid A lsquoCha Charsquo but bests it in producing conical racemes of narrow urceolate bright red-orange flowers almost unceasingly Rooted offsets of HBG 89468 $8

isi 2008ndash8 Aloe lutescens groeneWALd Looking much like a green-leaved A cryptopoda A lutescens differs in that it forms colonies and produces inflorescences with three rather than one or two slender racemes which may also be more than twice as long Bearing larger papery bracts that obscure the small buds in their upper portion the bicolored racemes resemble the similarly-colored form of A cryptopoda known as A wickensii The epithet lutescens ldquobecoming yellowrdquo aptly describes the transition of red buds to open yellow flowers A lutescens also has a more restricted distribution in the north-ern Province of South Africa Rooted cuts of HBG 24597 a plant collected Sept 1969 by John Lavranos at Mariepskop in the northern foothills of the Drakensberg N Prov S Africa $8

7

8

2008volume80number2 57

isi 2008ndash9 Aloe lsquoMacho Pinkrsquo bLeCk This somewhat conflicted hybrid is another developed by John Bleck in the early 1980s but is still not as widely distributed as it deserves It is one of Bleckrsquos ldquofirst four introduc-tionsrdquo series developed for their desirable flowers which are produced nearly non-stop throughout the year Its floriferousness is derived from its Madagascan parents in particular A descoingsii and A parvula while the narrow-campan-ulate flowers on slen-der erect inflores-cences and pinkish white-tipped petals combine features of A albiflora and A bel-latula The four spe-cies in the parentage of this hybrid were crossed according to the following formu-la (A descoingsii times A parvula) times (A albi-flora times A bellatula) The selection made and named by Bleck is his number 1372A Rooted offsets of HBG 52127 $8

isi 2008ndash10 Aloe rupestris bAker This species ranges from Natal South Africa north to Swaziland and southern Mozambique and grows among coast-al forest or rocky slopes as the epi-thet rupestris (ldquogrow-ing in rocky placesrdquo) implies It forms mostly solitary arbo-rescent specimens to 8 m tall though offsetting forms have been favored in cultivation In habit it resembles the related A thraskii and A excelsa which also produce rather

top-heavy rosettes above stems clothed in the upper part with a skirt of persistent dried leaves What is remarkable about this species is its can-delabraform inflorescences which bear up to 15 or more erect cylindri-cal racemes These are densely packed with yellowish buds which open to become completely overshadowed by the brilliant orange exserted stamens The effect is much like the Australian Proteaceae in the genus Banksia HBG 91572 plants grown from seed collected in Swaziland $8

9

10

58 CaCtusandsuCCulentJournal

isi 2008ndash11 Aloe suzannae deCAry This rare Madagascan aloe is distinctive in a number of respects First the spelling of the epithet with a z is different than the South African succulents Crassula susannae and Euphorbia susannae reflecting the French influence in Madagascan botany The species is slow-growing but eventually forms a tree to 4 m The succulent gray lanceolate-linear leaves are nearly straight to a meter long have rounded tips and are packed 60ndash100 per rosette The flowers are also unusual in their creamy white color and broadly campanulate shape with spreading petals These are closely set on a simple spike-like raceme to 3 m tall We have had the good fortune of witnessing this dramatic inflorescence a couple of seasons now in the Huntingtonrsquos Desert Garden Even more fortunate is that this individual has proven self-fertile yielding the seed that has made this offering possible Seedlings from HBG 53704 a plant whose precise origin is unknown $12

isi 2008ndash12 Aloe zebrina lsquoChapplersquos yellowrsquo TrAger This rare yellow-flowered variant stands out in the field of maculate aloesmdasha reference to their typically white-spotted leavesmdashwhich are normally difficult to distinguish from one another In A zebrina whose flowers are typically dull pink the leaves are arranged in compact rosettes that offset to form colonies and the leaf-spots are grouped into bands The leaves dry naturally at the tips even under lush growing conditions so this should not be a cause for concern in cultivation The selection offered here has been maintained in cultivation for more than 30 years by Anthon Ellert first in the former Southern Rhodesia (now Zimbabwe) and since 2001 in Tucson Arizona He acquired a start of the plant from the late Roy Chapple a medical officer for Rhodesia Railways Chapple collected some of this dis-tinctive form dur-ing his journeys on the railways through the terri-tory of Botswana at the small vil-lage of Hildavale Among its virtues according to Ellert are that this form grows equally well in full sun or part shade and will tol-erate light frost Rooted offsets of HBG 97464 $7

11

12

2008volume80number2 59

isi 2008ndash13 timesAstroworthia lsquotowering infernorsquo TrAger Garden hybrids of Astroloba and Haworthia are not uncommon but most are rather muddy-looking mongrels without the distinctive attractions of either parent The hybrid named here for the first time is an exception with its stacked rosettes of stiff narrow-triangular pointed leaves that blush a fiery reddish color The precise parentage is unknown but appears to include one of the smooth-leaved Astroloba species with similar stacking leaves Haworthia coarctata may have contributed its colorful foliage and a hint of tubercles on the leaf-surfaces Rooted offsets of HBG 97487 a plant that came to us in Jan 2001 with the collection of Los Angeles resident Stan Green $7

isi 2008ndash14 Baynesia lophophora bruyns This relatively new monotype (Novon 10 354 2000) is known only from the Baynes Mountains of northwestern Namibia where it usually grows concealed among tufts of grass at 1500ndash1600 m atop the prominent sandstone cliffs that overlook the Kunene River Its clumping stems have a rugulose (with a rough texture resem-bling sandpaper) epidermis quite responsive to light intensity being bright glossy green or blushing dark brownish with just a few daysrsquo exposure to brighter light Vegetatively the species resembles Anomalluma dodsoniana (placed in Caralluma or Pseudolithos by some authors) but the ridged papillate crested corolla-lobes of B lophophora are unique among stapeliads The flowers hang near the stem tips from slender pedicels and are maroon with a white throat Fly pollinators are attracted to a mild but detectable odor These are not species specific as the plants form fruits in cultivation well removed from habitat and its particular pollinators Divisions from about three dozen clones of HBG 97463 second generation seedlings of Bruyns 8000 the type collection made in Dec 1999 $5

13

14

60 CaCtusandsuCCulentJournal

isi 2008ndash15 Cheiridopsis derenbergiana sChWAnTes This is a widespread Namaqualand species that includes a number of synonyms In any case it is a satisfying miniature with pellucid leaves and lemon yellow to nearly chartreuse flowers It grows well in our greenhouse but is more compact outdoors in the shade-house There it receives brighter light and better ventilation and survives mild frosts and winter rains HBG 97768 second generation seedlings of J Trager 97ndash29 seed collected atop gneiss hills above Omega Farm ca 20 km ENE of Springbok N Cape S Africa $6

isi 2008ndash16 Euphorbia milii des mouLins This form of the ever-popular ldquocrown of thornsrdquo makes an upright shrub to about 1 m tall It is a spectacular sight in flower and rivals some of the ldquoimprovedrdquo Thai hybrids with its large clusters of bright pink cyathia At the onset of winter dormancy the leaves provide some fall color as they blush red before going deciduous HBG 97522 plants from Roumloumlsli amp Hoffmann 506 seeds collected 17 Nov 2006 at Mahatsingo Madagascar $8

15

16

John Trager at the habitat of the Cheiridopsis derenbergiana

collection offeredW

Roumlouml

sli

2008volume80number2 61

isi 2008ndash17 Euphorbia sp aff oncoclada drAke This is one of a group of shrubby to arborescent coralliform euphorbiasmdasha reference to their coral-like growth Included is the common E tirucalli and the thicker-branched E oncoclada native to south-western Madagascar but which this northerly species resembles This possibly-new species forms smaller specimens on the lean sharp tsingy limestone of its habitat HBG 97494 Roumloumlsli amp Hoffmann 5405 seeds collected 26 Dec 2005 at the dramatic limestone formations called Windsor Castle near the northern tip of Madagascar $7

isi 2008ndash18 Euphorbia sp aff umbraculiformis rAuh This possibly-new succulent-stemmed euphorbia has broader leaves than the related E umbraculiformis As in that species the leaves are arranged in rosettes at the stem tips where the colorful leaf bases unite to form a red eye HBG 97495 Roumloumlsli amp Hoffmann 5905 from seeds collected 26 Dec 2005 at Windsor Castle Madagascar $8

isi 2008ndash19 Fouquieria purpusii T s brAndegee This has long been one of the least cultivated of this genus of succulent shrubs pachycauls and caudiciforms and only recently has seed become available This pachycaul succulent forms a gradu-ally tapered light green trunk ornamented with corky markings and bearing slender lateral branches armed with thorns In growth these branches are covered with linear leaves the same light green color as the trunk The species is known only from limestone in southern Puebla and northern Oaxaca Mexico HBG 97465 from hand-pollination of long-cultivated specimens grown at Orange Coast College by master propagator Joe Stead $14

18

W R

oumloumlsl

i

D Houston

17

19D Houston

62 CaCtusandsuCCulentJournal

isi 2008ndash20 Gasteria lsquoBronze knucklesrsquo TrAger Gasterias are often indiscriminately hybridized in southern California by humming-birds Therefore open-pollinated seed (as opposed to that from controlled pollination) is rarely worth keep-ing or sowing When set on a desirable spe-cies like G armstrongii however one might be tempted to try some That is the history of this new cultivar which appears to be a hybrid of G nitida var arm-strongii and G bicolor var liliputana The lat-

ter species lends its glossiness and dwarf offsetting habit to the dark leaf-color of the former This miniature clumper is deep green in shade but can blush a lovely bronze with more light hence the cultivar name The rosettes of recurved leaves are at first distichous but they later become rosulate Divisions of HBG 97466 one of a batch of mostly true offspring from seed harvested by one of our more pugnacious volunteers whose wings beat nearly as fast as the pollinator $7

isi 2008ndash21 Kalanchoe laxiflo-ra bAker This kalanchoe is vari-able like its commoner relative K fedtschenkoi This particular collection has sharply serrate leaves These can be quite strik-ing when grown in good light as they blush pastel pinkish tones and have teeth boldly outlined with dark purple The species is also variable with regard to flower color which has given rise to a number of subspe-cies now considered synonyms Rooted cuts of HBG 97488 cut-tings collected 23 Oct 1995 by Lavranos (30021) Barad James

20

21

2008volume80number2 63

Kimnach amp Linden ca 105 km N of Fianarantsoa Madagascar $6

isi 2008ndash22 Ledebouria crispa s venTer The genus Ledebouria is familiar to suc-culent collectors through the popular L violacea which has above-ground bulbs and attractively spotted foliage L crispa differs in its dwarf stature and strongly undulate or

ldquocrispedrdquo leaf margins It is known only from hills sur-rounding Pietersburg in the Northern Province of South Africa Though dor-mant in winter the plants have proven completely tolerant of the light frosts and winter rain experi-enced in our shade house Divisions of HBG 81213 a plant from seed of L Lippold 80ndash159 collected 2 Oct 1980 $8

isi 2008ndash23 Oeceoclades petiolata (sChLeChTer) gArAy amp P TAyLor This terrestrial orchid is an understory-denizen of the thorn forests of Madagascar (see prior offerings of this genus 2001ndash2005) Its succulent cordate leaf blade is reminiscent of that of the South African terrestrial Holothrix orchids but is held above the glossy pseudobulb by a slender petiole HBG 97472 plants from controlled pollination of Roumloumlsli amp Hoffmann sn collected Dec 1992 Mt de Franccedilais Diego Suarez Madagascar $24

isi 2008ndash24 Operculicarya decaryi h Perrier Some growers may be tempted to duplicate the bonsai form of this spe-cies sometimes seen in shows This requires diligence and if that is lacking O pachypus would be a better choice as it is

22

23

64 CaCtusandsuCCulentJournal

a natural succulent bonsai O decaryi is similar to that species vegetatively but wants to be a tree with a spindle-shaped trunk to 6 m or more tall Within the con-fines of a pot however it is slow-growing and can be maintained within bounds for decades while one appreciates its attrac-tive features the knobby bark delightful deep green to purplish pinnate leaves and eventually the small deep red flowers HBG 97492 plants from seed collected 23 Nov 2005 by Roumloumlsli amp Hoffmann (2305) at Morombe Madagascar $12

isi 2008ndash25 Ornithogalum pruinosum F m LeighTon Succulent leaves can be found on a few members of this genus of mostly South African bulbs and most are excel-lent companions for winter-growing suc-culents and have lovely flowers In the case of O pruinosum these are 2 cm or more in diameter white with yellow pistils and usually bear an olive green spot at the base of each tepal Seedlings from HBG 97489 bulbs collected in Namaqualand S Africa $5

isi 2008ndash26 Othonna retrofracta JACquin This precocious pachycaul packs away photosynthates at an early age to form a plump caudex Later slender branch-es develop atop the caudiciform trunk to form a charmingly awkward adoles-cent stage on the way to forming a small shrublet Commonly labeled O lobata or

24

25

D H

oust

on

K Griffin

D H

oust

on

2008volume80number2 65

O quercifolia O retrofracta is the older name to apply to this widespread Namaqualand species The synonyms imply the variability of the species especially with respect to divi-sion of the leaf into pinnatifid lobes The species is ideally suited to culture in a Mediterranean climate or wherever winter-growing succulents thrive Seedlings from controlled pollination of HBG 65252 plants originally from the Sheilam Nursery in Cape Town $7

isi 2008ndash27 Rauhia decora rAvennA The amaryllidaceous genus Rauhia consists of just three species of succulent-leaved bulbs from the Peruvian Andes R multiflora first described in 1969 is the most widely cultivated The other two are little known and some suggest may be variants of the original species Nevertheless R decora (as the epithet implies) is the most ornamental In addition to bearing the fleshy obovate leaves of the genus these are attractively speckled with silver The greenish funnelform flowers are arranged in umbels as is diagnostic for the family HBG 97490 second-generation seedlings of Paul Hutchison 3799 collected in Peru Dept Amazonas Prov Bagua in the can-yon of the Riacuteo Utcubamba 288 km E of Olmos 820 m $10

isi 2008ndash28 Ruschia tumidula (hAWorTh) sChWAnTes This widespread species from the West Cape of South Africa and north to Namibia grows to be an upright shrub to 60 cm tall In spring its wand-like branches are clothed with bright magenta flowers 2 cm across Rooted cuts of HBG 67594 a 26

27 28

66 CaCtusandsuCCulentJournal

plant from seed collected Aug 1990 by Michael Vassar (MV 6164) 5 km up Rooiberg Pass east of Calitzdorp W Cape S Africa $6

isi 2008ndash29 Sansevieria trifasciata lsquoForescatersquo The Mother-in-lawrsquos Tongue as S trifasciata is commonly called is exceedingly popular around the world as a durable houseplant or landscape subject in the tropics and subtropics Some of its many sports are old standbys of the nursery industry and many of the slower-grow-ing selections are choice collectorrsquos items S lsquoForescatersquo is particularly sought after for its stately leaves of vivid yellow with green margins Divisions of HBG 65341 a plant received from KD Morgenstern via Kew Botanical Gardens in 1989 $35

isi 2008ndash30 Urginea maritima (L) bAker This Mediterranean bulb can achieve massive proportions as large as a volleyball and weighing more than 10 pounds It is a winter grower with a rosette of glaucous sword-shaped leaves to two feet long The bulb clothed in a papery reddish tunic mounds up above the ground with age or can be grown above-ground in a pot In summer the plant is dormant the foliage dried and mostly gone yet the plant reasserts itself in dramatic fashion by producing a flower stalk to 2 m tall the upper third or more being a dense raceme packed with white flowers HBG 97479 plants grown from seed of horticultural origin $5

Additions and Corrections

isi 2004ndash35 Sansevieria patens According to Len Newton (Sansevieria 13 3 2005) the origin and iden-tity of NE Brownrsquos original S patens remains an unsolved mystery Therefore Steve Jankalski (Sansevieria 15 8ndash9 2006) has coined the cultivar name S lsquoEd Ebyrsquo for this plant in honor of the man who rescued the surviv-ing plant from Koko Crater Botanic Garden in Hawaii Jankalski suggests that the plant may be a hybrid of S canaliculata and S pearso-nii two species employed in the USDA breeding program in Florida for developing superior fiber-plants many of which ended up in Koko Crater Alternatively the plant may be an open hybrid of these two species which are also cultivated at Koko Crater Further research will be required to determine the possible hybrid origin of S lsquoEd Ebyrsquo and its parent-age

30

29

54 CaCtusandsuCCulentJournal

isi 2008ndash3 Pereskia guamacho F A C Weber This inhabitant of the thorn-forests of northern Venezuela is a tree to 8 m tall It is distinctive in its divergent branching pattern and yellow flowers We offer HBG 97480 plants grown from seed collected Sept 1997 by CSSA grant recipient Jafet Nassar while researching population genetics of cacti in Venezuela Falcoacuten Peninsula de Paraguanaacute San Joseacute de Acaboa ca 30 m elevation $6

isi 2008ndash4 Stenocactus coptonogonus (LemAire) A berger When not in flower this flattened globular cactus with its stout triads of flattened spines resembles an over-ribbed astrophytum or a miniature horse-crippler (Echinocactus texensis) The flowers however are typical of its genus having many petals pale with purple midstripes With a little imagination adding more ribs and giving them a few sinuous curves one can see the affinity to the more typical vegetative form of the genus which has given rise to the common name ldquobrain cactusrdquo This spe-cies is native to several states of central Mexico Our plants come without specific locality information but are neverthe-less worthy container speci-mens or rockery subjects in drier climates where they can tolerate winter temperatures in the 20s HBG 97500 $5

3

4

2008volume80number2 55

isi 2008ndash5 Agave parrasana A berger Among medium-sized land-scape agaves (with rosettes under 60 cm diameter) this is one of the choicest Like the much sought-after A parryi var truncata this agave forms compact artichoke-like rosettes of glaucous leaves It differs in having more contorted fiercer-looking mar-ginal teeth These make evocative imprints on the backs of the leaves Our seed-grown plants display a range of variation that will be fascinating to watch as their mature patterns develop The species is restricted to the lime-stone Parras mountains of SE Coahuila Mexico between 1400 and 2480 m elevation HBG 97485 $8

isi 2008ndash6 Aloe acu-leata PoLe-evAns This choice landscape aloe forms solitary rosettes up to 1 m across but can flower at a third that size Its broad leaves incurve slightly giving the rosette a rounded appearance Perhaps the most desirable fea-ture of this aloe is one especially well-devel-oped in the population from which our offering originates the margins and surface of the thick leaves bear promi-nent red-brown prick-les arising from white tuberculate bases The solitary racemes in this form are also typically bicolored with orange

buds opening yellow Second generation seedlings from HBG 82528 seed collected by Dave Richards in 1996 12 km NE of Ngundu Halt Zimbabwe $8

isi 2008ndash7 Aloe lsquoFirebirdrsquo TrAger A few rosettes of this plant have made their way into cultivation in the three decades since its creation but the cultivar name has not been officially published until now Shannon Lyons hybridized A descoingsii with A thompsoniae to yield this floriferous plant with spotted recurved leaves lsquoFirebirdrsquo looks like

Other Succulents2008isiofferings

5

6

K Griffin

56 CaCtusandsuCCulentJournal

a slender-leaved version of the Bleck hybrid A lsquoCha Charsquo but bests it in producing conical racemes of narrow urceolate bright red-orange flowers almost unceasingly Rooted offsets of HBG 89468 $8

isi 2008ndash8 Aloe lutescens groeneWALd Looking much like a green-leaved A cryptopoda A lutescens differs in that it forms colonies and produces inflorescences with three rather than one or two slender racemes which may also be more than twice as long Bearing larger papery bracts that obscure the small buds in their upper portion the bicolored racemes resemble the similarly-colored form of A cryptopoda known as A wickensii The epithet lutescens ldquobecoming yellowrdquo aptly describes the transition of red buds to open yellow flowers A lutescens also has a more restricted distribution in the north-ern Province of South Africa Rooted cuts of HBG 24597 a plant collected Sept 1969 by John Lavranos at Mariepskop in the northern foothills of the Drakensberg N Prov S Africa $8

7

8

2008volume80number2 57

isi 2008ndash9 Aloe lsquoMacho Pinkrsquo bLeCk This somewhat conflicted hybrid is another developed by John Bleck in the early 1980s but is still not as widely distributed as it deserves It is one of Bleckrsquos ldquofirst four introduc-tionsrdquo series developed for their desirable flowers which are produced nearly non-stop throughout the year Its floriferousness is derived from its Madagascan parents in particular A descoingsii and A parvula while the narrow-campan-ulate flowers on slen-der erect inflores-cences and pinkish white-tipped petals combine features of A albiflora and A bel-latula The four spe-cies in the parentage of this hybrid were crossed according to the following formu-la (A descoingsii times A parvula) times (A albi-flora times A bellatula) The selection made and named by Bleck is his number 1372A Rooted offsets of HBG 52127 $8

isi 2008ndash10 Aloe rupestris bAker This species ranges from Natal South Africa north to Swaziland and southern Mozambique and grows among coast-al forest or rocky slopes as the epi-thet rupestris (ldquogrow-ing in rocky placesrdquo) implies It forms mostly solitary arbo-rescent specimens to 8 m tall though offsetting forms have been favored in cultivation In habit it resembles the related A thraskii and A excelsa which also produce rather

top-heavy rosettes above stems clothed in the upper part with a skirt of persistent dried leaves What is remarkable about this species is its can-delabraform inflorescences which bear up to 15 or more erect cylindri-cal racemes These are densely packed with yellowish buds which open to become completely overshadowed by the brilliant orange exserted stamens The effect is much like the Australian Proteaceae in the genus Banksia HBG 91572 plants grown from seed collected in Swaziland $8

9

10

58 CaCtusandsuCCulentJournal

isi 2008ndash11 Aloe suzannae deCAry This rare Madagascan aloe is distinctive in a number of respects First the spelling of the epithet with a z is different than the South African succulents Crassula susannae and Euphorbia susannae reflecting the French influence in Madagascan botany The species is slow-growing but eventually forms a tree to 4 m The succulent gray lanceolate-linear leaves are nearly straight to a meter long have rounded tips and are packed 60ndash100 per rosette The flowers are also unusual in their creamy white color and broadly campanulate shape with spreading petals These are closely set on a simple spike-like raceme to 3 m tall We have had the good fortune of witnessing this dramatic inflorescence a couple of seasons now in the Huntingtonrsquos Desert Garden Even more fortunate is that this individual has proven self-fertile yielding the seed that has made this offering possible Seedlings from HBG 53704 a plant whose precise origin is unknown $12

isi 2008ndash12 Aloe zebrina lsquoChapplersquos yellowrsquo TrAger This rare yellow-flowered variant stands out in the field of maculate aloesmdasha reference to their typically white-spotted leavesmdashwhich are normally difficult to distinguish from one another In A zebrina whose flowers are typically dull pink the leaves are arranged in compact rosettes that offset to form colonies and the leaf-spots are grouped into bands The leaves dry naturally at the tips even under lush growing conditions so this should not be a cause for concern in cultivation The selection offered here has been maintained in cultivation for more than 30 years by Anthon Ellert first in the former Southern Rhodesia (now Zimbabwe) and since 2001 in Tucson Arizona He acquired a start of the plant from the late Roy Chapple a medical officer for Rhodesia Railways Chapple collected some of this dis-tinctive form dur-ing his journeys on the railways through the terri-tory of Botswana at the small vil-lage of Hildavale Among its virtues according to Ellert are that this form grows equally well in full sun or part shade and will tol-erate light frost Rooted offsets of HBG 97464 $7

11

12

2008volume80number2 59

isi 2008ndash13 timesAstroworthia lsquotowering infernorsquo TrAger Garden hybrids of Astroloba and Haworthia are not uncommon but most are rather muddy-looking mongrels without the distinctive attractions of either parent The hybrid named here for the first time is an exception with its stacked rosettes of stiff narrow-triangular pointed leaves that blush a fiery reddish color The precise parentage is unknown but appears to include one of the smooth-leaved Astroloba species with similar stacking leaves Haworthia coarctata may have contributed its colorful foliage and a hint of tubercles on the leaf-surfaces Rooted offsets of HBG 97487 a plant that came to us in Jan 2001 with the collection of Los Angeles resident Stan Green $7

isi 2008ndash14 Baynesia lophophora bruyns This relatively new monotype (Novon 10 354 2000) is known only from the Baynes Mountains of northwestern Namibia where it usually grows concealed among tufts of grass at 1500ndash1600 m atop the prominent sandstone cliffs that overlook the Kunene River Its clumping stems have a rugulose (with a rough texture resem-bling sandpaper) epidermis quite responsive to light intensity being bright glossy green or blushing dark brownish with just a few daysrsquo exposure to brighter light Vegetatively the species resembles Anomalluma dodsoniana (placed in Caralluma or Pseudolithos by some authors) but the ridged papillate crested corolla-lobes of B lophophora are unique among stapeliads The flowers hang near the stem tips from slender pedicels and are maroon with a white throat Fly pollinators are attracted to a mild but detectable odor These are not species specific as the plants form fruits in cultivation well removed from habitat and its particular pollinators Divisions from about three dozen clones of HBG 97463 second generation seedlings of Bruyns 8000 the type collection made in Dec 1999 $5

13

14

60 CaCtusandsuCCulentJournal

isi 2008ndash15 Cheiridopsis derenbergiana sChWAnTes This is a widespread Namaqualand species that includes a number of synonyms In any case it is a satisfying miniature with pellucid leaves and lemon yellow to nearly chartreuse flowers It grows well in our greenhouse but is more compact outdoors in the shade-house There it receives brighter light and better ventilation and survives mild frosts and winter rains HBG 97768 second generation seedlings of J Trager 97ndash29 seed collected atop gneiss hills above Omega Farm ca 20 km ENE of Springbok N Cape S Africa $6

isi 2008ndash16 Euphorbia milii des mouLins This form of the ever-popular ldquocrown of thornsrdquo makes an upright shrub to about 1 m tall It is a spectacular sight in flower and rivals some of the ldquoimprovedrdquo Thai hybrids with its large clusters of bright pink cyathia At the onset of winter dormancy the leaves provide some fall color as they blush red before going deciduous HBG 97522 plants from Roumloumlsli amp Hoffmann 506 seeds collected 17 Nov 2006 at Mahatsingo Madagascar $8

15

16

John Trager at the habitat of the Cheiridopsis derenbergiana

collection offeredW

Roumlouml

sli

2008volume80number2 61

isi 2008ndash17 Euphorbia sp aff oncoclada drAke This is one of a group of shrubby to arborescent coralliform euphorbiasmdasha reference to their coral-like growth Included is the common E tirucalli and the thicker-branched E oncoclada native to south-western Madagascar but which this northerly species resembles This possibly-new species forms smaller specimens on the lean sharp tsingy limestone of its habitat HBG 97494 Roumloumlsli amp Hoffmann 5405 seeds collected 26 Dec 2005 at the dramatic limestone formations called Windsor Castle near the northern tip of Madagascar $7

isi 2008ndash18 Euphorbia sp aff umbraculiformis rAuh This possibly-new succulent-stemmed euphorbia has broader leaves than the related E umbraculiformis As in that species the leaves are arranged in rosettes at the stem tips where the colorful leaf bases unite to form a red eye HBG 97495 Roumloumlsli amp Hoffmann 5905 from seeds collected 26 Dec 2005 at Windsor Castle Madagascar $8

isi 2008ndash19 Fouquieria purpusii T s brAndegee This has long been one of the least cultivated of this genus of succulent shrubs pachycauls and caudiciforms and only recently has seed become available This pachycaul succulent forms a gradu-ally tapered light green trunk ornamented with corky markings and bearing slender lateral branches armed with thorns In growth these branches are covered with linear leaves the same light green color as the trunk The species is known only from limestone in southern Puebla and northern Oaxaca Mexico HBG 97465 from hand-pollination of long-cultivated specimens grown at Orange Coast College by master propagator Joe Stead $14

18

W R

oumloumlsl

i

D Houston

17

19D Houston

62 CaCtusandsuCCulentJournal

isi 2008ndash20 Gasteria lsquoBronze knucklesrsquo TrAger Gasterias are often indiscriminately hybridized in southern California by humming-birds Therefore open-pollinated seed (as opposed to that from controlled pollination) is rarely worth keep-ing or sowing When set on a desirable spe-cies like G armstrongii however one might be tempted to try some That is the history of this new cultivar which appears to be a hybrid of G nitida var arm-strongii and G bicolor var liliputana The lat-

ter species lends its glossiness and dwarf offsetting habit to the dark leaf-color of the former This miniature clumper is deep green in shade but can blush a lovely bronze with more light hence the cultivar name The rosettes of recurved leaves are at first distichous but they later become rosulate Divisions of HBG 97466 one of a batch of mostly true offspring from seed harvested by one of our more pugnacious volunteers whose wings beat nearly as fast as the pollinator $7

isi 2008ndash21 Kalanchoe laxiflo-ra bAker This kalanchoe is vari-able like its commoner relative K fedtschenkoi This particular collection has sharply serrate leaves These can be quite strik-ing when grown in good light as they blush pastel pinkish tones and have teeth boldly outlined with dark purple The species is also variable with regard to flower color which has given rise to a number of subspe-cies now considered synonyms Rooted cuts of HBG 97488 cut-tings collected 23 Oct 1995 by Lavranos (30021) Barad James

20

21

2008volume80number2 63

Kimnach amp Linden ca 105 km N of Fianarantsoa Madagascar $6

isi 2008ndash22 Ledebouria crispa s venTer The genus Ledebouria is familiar to suc-culent collectors through the popular L violacea which has above-ground bulbs and attractively spotted foliage L crispa differs in its dwarf stature and strongly undulate or

ldquocrispedrdquo leaf margins It is known only from hills sur-rounding Pietersburg in the Northern Province of South Africa Though dor-mant in winter the plants have proven completely tolerant of the light frosts and winter rain experi-enced in our shade house Divisions of HBG 81213 a plant from seed of L Lippold 80ndash159 collected 2 Oct 1980 $8

isi 2008ndash23 Oeceoclades petiolata (sChLeChTer) gArAy amp P TAyLor This terrestrial orchid is an understory-denizen of the thorn forests of Madagascar (see prior offerings of this genus 2001ndash2005) Its succulent cordate leaf blade is reminiscent of that of the South African terrestrial Holothrix orchids but is held above the glossy pseudobulb by a slender petiole HBG 97472 plants from controlled pollination of Roumloumlsli amp Hoffmann sn collected Dec 1992 Mt de Franccedilais Diego Suarez Madagascar $24

isi 2008ndash24 Operculicarya decaryi h Perrier Some growers may be tempted to duplicate the bonsai form of this spe-cies sometimes seen in shows This requires diligence and if that is lacking O pachypus would be a better choice as it is

22

23

64 CaCtusandsuCCulentJournal

a natural succulent bonsai O decaryi is similar to that species vegetatively but wants to be a tree with a spindle-shaped trunk to 6 m or more tall Within the con-fines of a pot however it is slow-growing and can be maintained within bounds for decades while one appreciates its attrac-tive features the knobby bark delightful deep green to purplish pinnate leaves and eventually the small deep red flowers HBG 97492 plants from seed collected 23 Nov 2005 by Roumloumlsli amp Hoffmann (2305) at Morombe Madagascar $12

isi 2008ndash25 Ornithogalum pruinosum F m LeighTon Succulent leaves can be found on a few members of this genus of mostly South African bulbs and most are excel-lent companions for winter-growing suc-culents and have lovely flowers In the case of O pruinosum these are 2 cm or more in diameter white with yellow pistils and usually bear an olive green spot at the base of each tepal Seedlings from HBG 97489 bulbs collected in Namaqualand S Africa $5

isi 2008ndash26 Othonna retrofracta JACquin This precocious pachycaul packs away photosynthates at an early age to form a plump caudex Later slender branch-es develop atop the caudiciform trunk to form a charmingly awkward adoles-cent stage on the way to forming a small shrublet Commonly labeled O lobata or

24

25

D H

oust

on

K Griffin

D H

oust

on

2008volume80number2 65

O quercifolia O retrofracta is the older name to apply to this widespread Namaqualand species The synonyms imply the variability of the species especially with respect to divi-sion of the leaf into pinnatifid lobes The species is ideally suited to culture in a Mediterranean climate or wherever winter-growing succulents thrive Seedlings from controlled pollination of HBG 65252 plants originally from the Sheilam Nursery in Cape Town $7

isi 2008ndash27 Rauhia decora rAvennA The amaryllidaceous genus Rauhia consists of just three species of succulent-leaved bulbs from the Peruvian Andes R multiflora first described in 1969 is the most widely cultivated The other two are little known and some suggest may be variants of the original species Nevertheless R decora (as the epithet implies) is the most ornamental In addition to bearing the fleshy obovate leaves of the genus these are attractively speckled with silver The greenish funnelform flowers are arranged in umbels as is diagnostic for the family HBG 97490 second-generation seedlings of Paul Hutchison 3799 collected in Peru Dept Amazonas Prov Bagua in the can-yon of the Riacuteo Utcubamba 288 km E of Olmos 820 m $10

isi 2008ndash28 Ruschia tumidula (hAWorTh) sChWAnTes This widespread species from the West Cape of South Africa and north to Namibia grows to be an upright shrub to 60 cm tall In spring its wand-like branches are clothed with bright magenta flowers 2 cm across Rooted cuts of HBG 67594 a 26

27 28

66 CaCtusandsuCCulentJournal

plant from seed collected Aug 1990 by Michael Vassar (MV 6164) 5 km up Rooiberg Pass east of Calitzdorp W Cape S Africa $6

isi 2008ndash29 Sansevieria trifasciata lsquoForescatersquo The Mother-in-lawrsquos Tongue as S trifasciata is commonly called is exceedingly popular around the world as a durable houseplant or landscape subject in the tropics and subtropics Some of its many sports are old standbys of the nursery industry and many of the slower-grow-ing selections are choice collectorrsquos items S lsquoForescatersquo is particularly sought after for its stately leaves of vivid yellow with green margins Divisions of HBG 65341 a plant received from KD Morgenstern via Kew Botanical Gardens in 1989 $35

isi 2008ndash30 Urginea maritima (L) bAker This Mediterranean bulb can achieve massive proportions as large as a volleyball and weighing more than 10 pounds It is a winter grower with a rosette of glaucous sword-shaped leaves to two feet long The bulb clothed in a papery reddish tunic mounds up above the ground with age or can be grown above-ground in a pot In summer the plant is dormant the foliage dried and mostly gone yet the plant reasserts itself in dramatic fashion by producing a flower stalk to 2 m tall the upper third or more being a dense raceme packed with white flowers HBG 97479 plants grown from seed of horticultural origin $5

Additions and Corrections

isi 2004ndash35 Sansevieria patens According to Len Newton (Sansevieria 13 3 2005) the origin and iden-tity of NE Brownrsquos original S patens remains an unsolved mystery Therefore Steve Jankalski (Sansevieria 15 8ndash9 2006) has coined the cultivar name S lsquoEd Ebyrsquo for this plant in honor of the man who rescued the surviv-ing plant from Koko Crater Botanic Garden in Hawaii Jankalski suggests that the plant may be a hybrid of S canaliculata and S pearso-nii two species employed in the USDA breeding program in Florida for developing superior fiber-plants many of which ended up in Koko Crater Alternatively the plant may be an open hybrid of these two species which are also cultivated at Koko Crater Further research will be required to determine the possible hybrid origin of S lsquoEd Ebyrsquo and its parent-age

30

29

2008volume80number2 55

isi 2008ndash5 Agave parrasana A berger Among medium-sized land-scape agaves (with rosettes under 60 cm diameter) this is one of the choicest Like the much sought-after A parryi var truncata this agave forms compact artichoke-like rosettes of glaucous leaves It differs in having more contorted fiercer-looking mar-ginal teeth These make evocative imprints on the backs of the leaves Our seed-grown plants display a range of variation that will be fascinating to watch as their mature patterns develop The species is restricted to the lime-stone Parras mountains of SE Coahuila Mexico between 1400 and 2480 m elevation HBG 97485 $8

isi 2008ndash6 Aloe acu-leata PoLe-evAns This choice landscape aloe forms solitary rosettes up to 1 m across but can flower at a third that size Its broad leaves incurve slightly giving the rosette a rounded appearance Perhaps the most desirable fea-ture of this aloe is one especially well-devel-oped in the population from which our offering originates the margins and surface of the thick leaves bear promi-nent red-brown prick-les arising from white tuberculate bases The solitary racemes in this form are also typically bicolored with orange

buds opening yellow Second generation seedlings from HBG 82528 seed collected by Dave Richards in 1996 12 km NE of Ngundu Halt Zimbabwe $8

isi 2008ndash7 Aloe lsquoFirebirdrsquo TrAger A few rosettes of this plant have made their way into cultivation in the three decades since its creation but the cultivar name has not been officially published until now Shannon Lyons hybridized A descoingsii with A thompsoniae to yield this floriferous plant with spotted recurved leaves lsquoFirebirdrsquo looks like

Other Succulents2008isiofferings

5

6

K Griffin

56 CaCtusandsuCCulentJournal

a slender-leaved version of the Bleck hybrid A lsquoCha Charsquo but bests it in producing conical racemes of narrow urceolate bright red-orange flowers almost unceasingly Rooted offsets of HBG 89468 $8

isi 2008ndash8 Aloe lutescens groeneWALd Looking much like a green-leaved A cryptopoda A lutescens differs in that it forms colonies and produces inflorescences with three rather than one or two slender racemes which may also be more than twice as long Bearing larger papery bracts that obscure the small buds in their upper portion the bicolored racemes resemble the similarly-colored form of A cryptopoda known as A wickensii The epithet lutescens ldquobecoming yellowrdquo aptly describes the transition of red buds to open yellow flowers A lutescens also has a more restricted distribution in the north-ern Province of South Africa Rooted cuts of HBG 24597 a plant collected Sept 1969 by John Lavranos at Mariepskop in the northern foothills of the Drakensberg N Prov S Africa $8

7

8

2008volume80number2 57

isi 2008ndash9 Aloe lsquoMacho Pinkrsquo bLeCk This somewhat conflicted hybrid is another developed by John Bleck in the early 1980s but is still not as widely distributed as it deserves It is one of Bleckrsquos ldquofirst four introduc-tionsrdquo series developed for their desirable flowers which are produced nearly non-stop throughout the year Its floriferousness is derived from its Madagascan parents in particular A descoingsii and A parvula while the narrow-campan-ulate flowers on slen-der erect inflores-cences and pinkish white-tipped petals combine features of A albiflora and A bel-latula The four spe-cies in the parentage of this hybrid were crossed according to the following formu-la (A descoingsii times A parvula) times (A albi-flora times A bellatula) The selection made and named by Bleck is his number 1372A Rooted offsets of HBG 52127 $8

isi 2008ndash10 Aloe rupestris bAker This species ranges from Natal South Africa north to Swaziland and southern Mozambique and grows among coast-al forest or rocky slopes as the epi-thet rupestris (ldquogrow-ing in rocky placesrdquo) implies It forms mostly solitary arbo-rescent specimens to 8 m tall though offsetting forms have been favored in cultivation In habit it resembles the related A thraskii and A excelsa which also produce rather

top-heavy rosettes above stems clothed in the upper part with a skirt of persistent dried leaves What is remarkable about this species is its can-delabraform inflorescences which bear up to 15 or more erect cylindri-cal racemes These are densely packed with yellowish buds which open to become completely overshadowed by the brilliant orange exserted stamens The effect is much like the Australian Proteaceae in the genus Banksia HBG 91572 plants grown from seed collected in Swaziland $8

9

10

58 CaCtusandsuCCulentJournal

isi 2008ndash11 Aloe suzannae deCAry This rare Madagascan aloe is distinctive in a number of respects First the spelling of the epithet with a z is different than the South African succulents Crassula susannae and Euphorbia susannae reflecting the French influence in Madagascan botany The species is slow-growing but eventually forms a tree to 4 m The succulent gray lanceolate-linear leaves are nearly straight to a meter long have rounded tips and are packed 60ndash100 per rosette The flowers are also unusual in their creamy white color and broadly campanulate shape with spreading petals These are closely set on a simple spike-like raceme to 3 m tall We have had the good fortune of witnessing this dramatic inflorescence a couple of seasons now in the Huntingtonrsquos Desert Garden Even more fortunate is that this individual has proven self-fertile yielding the seed that has made this offering possible Seedlings from HBG 53704 a plant whose precise origin is unknown $12

isi 2008ndash12 Aloe zebrina lsquoChapplersquos yellowrsquo TrAger This rare yellow-flowered variant stands out in the field of maculate aloesmdasha reference to their typically white-spotted leavesmdashwhich are normally difficult to distinguish from one another In A zebrina whose flowers are typically dull pink the leaves are arranged in compact rosettes that offset to form colonies and the leaf-spots are grouped into bands The leaves dry naturally at the tips even under lush growing conditions so this should not be a cause for concern in cultivation The selection offered here has been maintained in cultivation for more than 30 years by Anthon Ellert first in the former Southern Rhodesia (now Zimbabwe) and since 2001 in Tucson Arizona He acquired a start of the plant from the late Roy Chapple a medical officer for Rhodesia Railways Chapple collected some of this dis-tinctive form dur-ing his journeys on the railways through the terri-tory of Botswana at the small vil-lage of Hildavale Among its virtues according to Ellert are that this form grows equally well in full sun or part shade and will tol-erate light frost Rooted offsets of HBG 97464 $7

11

12

2008volume80number2 59

isi 2008ndash13 timesAstroworthia lsquotowering infernorsquo TrAger Garden hybrids of Astroloba and Haworthia are not uncommon but most are rather muddy-looking mongrels without the distinctive attractions of either parent The hybrid named here for the first time is an exception with its stacked rosettes of stiff narrow-triangular pointed leaves that blush a fiery reddish color The precise parentage is unknown but appears to include one of the smooth-leaved Astroloba species with similar stacking leaves Haworthia coarctata may have contributed its colorful foliage and a hint of tubercles on the leaf-surfaces Rooted offsets of HBG 97487 a plant that came to us in Jan 2001 with the collection of Los Angeles resident Stan Green $7

isi 2008ndash14 Baynesia lophophora bruyns This relatively new monotype (Novon 10 354 2000) is known only from the Baynes Mountains of northwestern Namibia where it usually grows concealed among tufts of grass at 1500ndash1600 m atop the prominent sandstone cliffs that overlook the Kunene River Its clumping stems have a rugulose (with a rough texture resem-bling sandpaper) epidermis quite responsive to light intensity being bright glossy green or blushing dark brownish with just a few daysrsquo exposure to brighter light Vegetatively the species resembles Anomalluma dodsoniana (placed in Caralluma or Pseudolithos by some authors) but the ridged papillate crested corolla-lobes of B lophophora are unique among stapeliads The flowers hang near the stem tips from slender pedicels and are maroon with a white throat Fly pollinators are attracted to a mild but detectable odor These are not species specific as the plants form fruits in cultivation well removed from habitat and its particular pollinators Divisions from about three dozen clones of HBG 97463 second generation seedlings of Bruyns 8000 the type collection made in Dec 1999 $5

13

14

60 CaCtusandsuCCulentJournal

isi 2008ndash15 Cheiridopsis derenbergiana sChWAnTes This is a widespread Namaqualand species that includes a number of synonyms In any case it is a satisfying miniature with pellucid leaves and lemon yellow to nearly chartreuse flowers It grows well in our greenhouse but is more compact outdoors in the shade-house There it receives brighter light and better ventilation and survives mild frosts and winter rains HBG 97768 second generation seedlings of J Trager 97ndash29 seed collected atop gneiss hills above Omega Farm ca 20 km ENE of Springbok N Cape S Africa $6

isi 2008ndash16 Euphorbia milii des mouLins This form of the ever-popular ldquocrown of thornsrdquo makes an upright shrub to about 1 m tall It is a spectacular sight in flower and rivals some of the ldquoimprovedrdquo Thai hybrids with its large clusters of bright pink cyathia At the onset of winter dormancy the leaves provide some fall color as they blush red before going deciduous HBG 97522 plants from Roumloumlsli amp Hoffmann 506 seeds collected 17 Nov 2006 at Mahatsingo Madagascar $8

15

16

John Trager at the habitat of the Cheiridopsis derenbergiana

collection offeredW

Roumlouml

sli

2008volume80number2 61

isi 2008ndash17 Euphorbia sp aff oncoclada drAke This is one of a group of shrubby to arborescent coralliform euphorbiasmdasha reference to their coral-like growth Included is the common E tirucalli and the thicker-branched E oncoclada native to south-western Madagascar but which this northerly species resembles This possibly-new species forms smaller specimens on the lean sharp tsingy limestone of its habitat HBG 97494 Roumloumlsli amp Hoffmann 5405 seeds collected 26 Dec 2005 at the dramatic limestone formations called Windsor Castle near the northern tip of Madagascar $7

isi 2008ndash18 Euphorbia sp aff umbraculiformis rAuh This possibly-new succulent-stemmed euphorbia has broader leaves than the related E umbraculiformis As in that species the leaves are arranged in rosettes at the stem tips where the colorful leaf bases unite to form a red eye HBG 97495 Roumloumlsli amp Hoffmann 5905 from seeds collected 26 Dec 2005 at Windsor Castle Madagascar $8

isi 2008ndash19 Fouquieria purpusii T s brAndegee This has long been one of the least cultivated of this genus of succulent shrubs pachycauls and caudiciforms and only recently has seed become available This pachycaul succulent forms a gradu-ally tapered light green trunk ornamented with corky markings and bearing slender lateral branches armed with thorns In growth these branches are covered with linear leaves the same light green color as the trunk The species is known only from limestone in southern Puebla and northern Oaxaca Mexico HBG 97465 from hand-pollination of long-cultivated specimens grown at Orange Coast College by master propagator Joe Stead $14

18

W R

oumloumlsl

i

D Houston

17

19D Houston

62 CaCtusandsuCCulentJournal

isi 2008ndash20 Gasteria lsquoBronze knucklesrsquo TrAger Gasterias are often indiscriminately hybridized in southern California by humming-birds Therefore open-pollinated seed (as opposed to that from controlled pollination) is rarely worth keep-ing or sowing When set on a desirable spe-cies like G armstrongii however one might be tempted to try some That is the history of this new cultivar which appears to be a hybrid of G nitida var arm-strongii and G bicolor var liliputana The lat-

ter species lends its glossiness and dwarf offsetting habit to the dark leaf-color of the former This miniature clumper is deep green in shade but can blush a lovely bronze with more light hence the cultivar name The rosettes of recurved leaves are at first distichous but they later become rosulate Divisions of HBG 97466 one of a batch of mostly true offspring from seed harvested by one of our more pugnacious volunteers whose wings beat nearly as fast as the pollinator $7

isi 2008ndash21 Kalanchoe laxiflo-ra bAker This kalanchoe is vari-able like its commoner relative K fedtschenkoi This particular collection has sharply serrate leaves These can be quite strik-ing when grown in good light as they blush pastel pinkish tones and have teeth boldly outlined with dark purple The species is also variable with regard to flower color which has given rise to a number of subspe-cies now considered synonyms Rooted cuts of HBG 97488 cut-tings collected 23 Oct 1995 by Lavranos (30021) Barad James

20

21

2008volume80number2 63

Kimnach amp Linden ca 105 km N of Fianarantsoa Madagascar $6

isi 2008ndash22 Ledebouria crispa s venTer The genus Ledebouria is familiar to suc-culent collectors through the popular L violacea which has above-ground bulbs and attractively spotted foliage L crispa differs in its dwarf stature and strongly undulate or

ldquocrispedrdquo leaf margins It is known only from hills sur-rounding Pietersburg in the Northern Province of South Africa Though dor-mant in winter the plants have proven completely tolerant of the light frosts and winter rain experi-enced in our shade house Divisions of HBG 81213 a plant from seed of L Lippold 80ndash159 collected 2 Oct 1980 $8

isi 2008ndash23 Oeceoclades petiolata (sChLeChTer) gArAy amp P TAyLor This terrestrial orchid is an understory-denizen of the thorn forests of Madagascar (see prior offerings of this genus 2001ndash2005) Its succulent cordate leaf blade is reminiscent of that of the South African terrestrial Holothrix orchids but is held above the glossy pseudobulb by a slender petiole HBG 97472 plants from controlled pollination of Roumloumlsli amp Hoffmann sn collected Dec 1992 Mt de Franccedilais Diego Suarez Madagascar $24

isi 2008ndash24 Operculicarya decaryi h Perrier Some growers may be tempted to duplicate the bonsai form of this spe-cies sometimes seen in shows This requires diligence and if that is lacking O pachypus would be a better choice as it is

22

23

64 CaCtusandsuCCulentJournal

a natural succulent bonsai O decaryi is similar to that species vegetatively but wants to be a tree with a spindle-shaped trunk to 6 m or more tall Within the con-fines of a pot however it is slow-growing and can be maintained within bounds for decades while one appreciates its attrac-tive features the knobby bark delightful deep green to purplish pinnate leaves and eventually the small deep red flowers HBG 97492 plants from seed collected 23 Nov 2005 by Roumloumlsli amp Hoffmann (2305) at Morombe Madagascar $12

isi 2008ndash25 Ornithogalum pruinosum F m LeighTon Succulent leaves can be found on a few members of this genus of mostly South African bulbs and most are excel-lent companions for winter-growing suc-culents and have lovely flowers In the case of O pruinosum these are 2 cm or more in diameter white with yellow pistils and usually bear an olive green spot at the base of each tepal Seedlings from HBG 97489 bulbs collected in Namaqualand S Africa $5

isi 2008ndash26 Othonna retrofracta JACquin This precocious pachycaul packs away photosynthates at an early age to form a plump caudex Later slender branch-es develop atop the caudiciform trunk to form a charmingly awkward adoles-cent stage on the way to forming a small shrublet Commonly labeled O lobata or

24

25

D H

oust

on

K Griffin

D H

oust

on

2008volume80number2 65

O quercifolia O retrofracta is the older name to apply to this widespread Namaqualand species The synonyms imply the variability of the species especially with respect to divi-sion of the leaf into pinnatifid lobes The species is ideally suited to culture in a Mediterranean climate or wherever winter-growing succulents thrive Seedlings from controlled pollination of HBG 65252 plants originally from the Sheilam Nursery in Cape Town $7

isi 2008ndash27 Rauhia decora rAvennA The amaryllidaceous genus Rauhia consists of just three species of succulent-leaved bulbs from the Peruvian Andes R multiflora first described in 1969 is the most widely cultivated The other two are little known and some suggest may be variants of the original species Nevertheless R decora (as the epithet implies) is the most ornamental In addition to bearing the fleshy obovate leaves of the genus these are attractively speckled with silver The greenish funnelform flowers are arranged in umbels as is diagnostic for the family HBG 97490 second-generation seedlings of Paul Hutchison 3799 collected in Peru Dept Amazonas Prov Bagua in the can-yon of the Riacuteo Utcubamba 288 km E of Olmos 820 m $10

isi 2008ndash28 Ruschia tumidula (hAWorTh) sChWAnTes This widespread species from the West Cape of South Africa and north to Namibia grows to be an upright shrub to 60 cm tall In spring its wand-like branches are clothed with bright magenta flowers 2 cm across Rooted cuts of HBG 67594 a 26

27 28

66 CaCtusandsuCCulentJournal

plant from seed collected Aug 1990 by Michael Vassar (MV 6164) 5 km up Rooiberg Pass east of Calitzdorp W Cape S Africa $6

isi 2008ndash29 Sansevieria trifasciata lsquoForescatersquo The Mother-in-lawrsquos Tongue as S trifasciata is commonly called is exceedingly popular around the world as a durable houseplant or landscape subject in the tropics and subtropics Some of its many sports are old standbys of the nursery industry and many of the slower-grow-ing selections are choice collectorrsquos items S lsquoForescatersquo is particularly sought after for its stately leaves of vivid yellow with green margins Divisions of HBG 65341 a plant received from KD Morgenstern via Kew Botanical Gardens in 1989 $35

isi 2008ndash30 Urginea maritima (L) bAker This Mediterranean bulb can achieve massive proportions as large as a volleyball and weighing more than 10 pounds It is a winter grower with a rosette of glaucous sword-shaped leaves to two feet long The bulb clothed in a papery reddish tunic mounds up above the ground with age or can be grown above-ground in a pot In summer the plant is dormant the foliage dried and mostly gone yet the plant reasserts itself in dramatic fashion by producing a flower stalk to 2 m tall the upper third or more being a dense raceme packed with white flowers HBG 97479 plants grown from seed of horticultural origin $5

Additions and Corrections

isi 2004ndash35 Sansevieria patens According to Len Newton (Sansevieria 13 3 2005) the origin and iden-tity of NE Brownrsquos original S patens remains an unsolved mystery Therefore Steve Jankalski (Sansevieria 15 8ndash9 2006) has coined the cultivar name S lsquoEd Ebyrsquo for this plant in honor of the man who rescued the surviv-ing plant from Koko Crater Botanic Garden in Hawaii Jankalski suggests that the plant may be a hybrid of S canaliculata and S pearso-nii two species employed in the USDA breeding program in Florida for developing superior fiber-plants many of which ended up in Koko Crater Alternatively the plant may be an open hybrid of these two species which are also cultivated at Koko Crater Further research will be required to determine the possible hybrid origin of S lsquoEd Ebyrsquo and its parent-age

30

29

56 CaCtusandsuCCulentJournal

a slender-leaved version of the Bleck hybrid A lsquoCha Charsquo but bests it in producing conical racemes of narrow urceolate bright red-orange flowers almost unceasingly Rooted offsets of HBG 89468 $8

isi 2008ndash8 Aloe lutescens groeneWALd Looking much like a green-leaved A cryptopoda A lutescens differs in that it forms colonies and produces inflorescences with three rather than one or two slender racemes which may also be more than twice as long Bearing larger papery bracts that obscure the small buds in their upper portion the bicolored racemes resemble the similarly-colored form of A cryptopoda known as A wickensii The epithet lutescens ldquobecoming yellowrdquo aptly describes the transition of red buds to open yellow flowers A lutescens also has a more restricted distribution in the north-ern Province of South Africa Rooted cuts of HBG 24597 a plant collected Sept 1969 by John Lavranos at Mariepskop in the northern foothills of the Drakensberg N Prov S Africa $8

7

8

2008volume80number2 57

isi 2008ndash9 Aloe lsquoMacho Pinkrsquo bLeCk This somewhat conflicted hybrid is another developed by John Bleck in the early 1980s but is still not as widely distributed as it deserves It is one of Bleckrsquos ldquofirst four introduc-tionsrdquo series developed for their desirable flowers which are produced nearly non-stop throughout the year Its floriferousness is derived from its Madagascan parents in particular A descoingsii and A parvula while the narrow-campan-ulate flowers on slen-der erect inflores-cences and pinkish white-tipped petals combine features of A albiflora and A bel-latula The four spe-cies in the parentage of this hybrid were crossed according to the following formu-la (A descoingsii times A parvula) times (A albi-flora times A bellatula) The selection made and named by Bleck is his number 1372A Rooted offsets of HBG 52127 $8

isi 2008ndash10 Aloe rupestris bAker This species ranges from Natal South Africa north to Swaziland and southern Mozambique and grows among coast-al forest or rocky slopes as the epi-thet rupestris (ldquogrow-ing in rocky placesrdquo) implies It forms mostly solitary arbo-rescent specimens to 8 m tall though offsetting forms have been favored in cultivation In habit it resembles the related A thraskii and A excelsa which also produce rather

top-heavy rosettes above stems clothed in the upper part with a skirt of persistent dried leaves What is remarkable about this species is its can-delabraform inflorescences which bear up to 15 or more erect cylindri-cal racemes These are densely packed with yellowish buds which open to become completely overshadowed by the brilliant orange exserted stamens The effect is much like the Australian Proteaceae in the genus Banksia HBG 91572 plants grown from seed collected in Swaziland $8

9

10

58 CaCtusandsuCCulentJournal

isi 2008ndash11 Aloe suzannae deCAry This rare Madagascan aloe is distinctive in a number of respects First the spelling of the epithet with a z is different than the South African succulents Crassula susannae and Euphorbia susannae reflecting the French influence in Madagascan botany The species is slow-growing but eventually forms a tree to 4 m The succulent gray lanceolate-linear leaves are nearly straight to a meter long have rounded tips and are packed 60ndash100 per rosette The flowers are also unusual in their creamy white color and broadly campanulate shape with spreading petals These are closely set on a simple spike-like raceme to 3 m tall We have had the good fortune of witnessing this dramatic inflorescence a couple of seasons now in the Huntingtonrsquos Desert Garden Even more fortunate is that this individual has proven self-fertile yielding the seed that has made this offering possible Seedlings from HBG 53704 a plant whose precise origin is unknown $12

isi 2008ndash12 Aloe zebrina lsquoChapplersquos yellowrsquo TrAger This rare yellow-flowered variant stands out in the field of maculate aloesmdasha reference to their typically white-spotted leavesmdashwhich are normally difficult to distinguish from one another In A zebrina whose flowers are typically dull pink the leaves are arranged in compact rosettes that offset to form colonies and the leaf-spots are grouped into bands The leaves dry naturally at the tips even under lush growing conditions so this should not be a cause for concern in cultivation The selection offered here has been maintained in cultivation for more than 30 years by Anthon Ellert first in the former Southern Rhodesia (now Zimbabwe) and since 2001 in Tucson Arizona He acquired a start of the plant from the late Roy Chapple a medical officer for Rhodesia Railways Chapple collected some of this dis-tinctive form dur-ing his journeys on the railways through the terri-tory of Botswana at the small vil-lage of Hildavale Among its virtues according to Ellert are that this form grows equally well in full sun or part shade and will tol-erate light frost Rooted offsets of HBG 97464 $7

11

12

2008volume80number2 59

isi 2008ndash13 timesAstroworthia lsquotowering infernorsquo TrAger Garden hybrids of Astroloba and Haworthia are not uncommon but most are rather muddy-looking mongrels without the distinctive attractions of either parent The hybrid named here for the first time is an exception with its stacked rosettes of stiff narrow-triangular pointed leaves that blush a fiery reddish color The precise parentage is unknown but appears to include one of the smooth-leaved Astroloba species with similar stacking leaves Haworthia coarctata may have contributed its colorful foliage and a hint of tubercles on the leaf-surfaces Rooted offsets of HBG 97487 a plant that came to us in Jan 2001 with the collection of Los Angeles resident Stan Green $7

isi 2008ndash14 Baynesia lophophora bruyns This relatively new monotype (Novon 10 354 2000) is known only from the Baynes Mountains of northwestern Namibia where it usually grows concealed among tufts of grass at 1500ndash1600 m atop the prominent sandstone cliffs that overlook the Kunene River Its clumping stems have a rugulose (with a rough texture resem-bling sandpaper) epidermis quite responsive to light intensity being bright glossy green or blushing dark brownish with just a few daysrsquo exposure to brighter light Vegetatively the species resembles Anomalluma dodsoniana (placed in Caralluma or Pseudolithos by some authors) but the ridged papillate crested corolla-lobes of B lophophora are unique among stapeliads The flowers hang near the stem tips from slender pedicels and are maroon with a white throat Fly pollinators are attracted to a mild but detectable odor These are not species specific as the plants form fruits in cultivation well removed from habitat and its particular pollinators Divisions from about three dozen clones of HBG 97463 second generation seedlings of Bruyns 8000 the type collection made in Dec 1999 $5

13

14

60 CaCtusandsuCCulentJournal

isi 2008ndash15 Cheiridopsis derenbergiana sChWAnTes This is a widespread Namaqualand species that includes a number of synonyms In any case it is a satisfying miniature with pellucid leaves and lemon yellow to nearly chartreuse flowers It grows well in our greenhouse but is more compact outdoors in the shade-house There it receives brighter light and better ventilation and survives mild frosts and winter rains HBG 97768 second generation seedlings of J Trager 97ndash29 seed collected atop gneiss hills above Omega Farm ca 20 km ENE of Springbok N Cape S Africa $6

isi 2008ndash16 Euphorbia milii des mouLins This form of the ever-popular ldquocrown of thornsrdquo makes an upright shrub to about 1 m tall It is a spectacular sight in flower and rivals some of the ldquoimprovedrdquo Thai hybrids with its large clusters of bright pink cyathia At the onset of winter dormancy the leaves provide some fall color as they blush red before going deciduous HBG 97522 plants from Roumloumlsli amp Hoffmann 506 seeds collected 17 Nov 2006 at Mahatsingo Madagascar $8

15

16

John Trager at the habitat of the Cheiridopsis derenbergiana

collection offeredW

Roumlouml

sli

2008volume80number2 61

isi 2008ndash17 Euphorbia sp aff oncoclada drAke This is one of a group of shrubby to arborescent coralliform euphorbiasmdasha reference to their coral-like growth Included is the common E tirucalli and the thicker-branched E oncoclada native to south-western Madagascar but which this northerly species resembles This possibly-new species forms smaller specimens on the lean sharp tsingy limestone of its habitat HBG 97494 Roumloumlsli amp Hoffmann 5405 seeds collected 26 Dec 2005 at the dramatic limestone formations called Windsor Castle near the northern tip of Madagascar $7

isi 2008ndash18 Euphorbia sp aff umbraculiformis rAuh This possibly-new succulent-stemmed euphorbia has broader leaves than the related E umbraculiformis As in that species the leaves are arranged in rosettes at the stem tips where the colorful leaf bases unite to form a red eye HBG 97495 Roumloumlsli amp Hoffmann 5905 from seeds collected 26 Dec 2005 at Windsor Castle Madagascar $8

isi 2008ndash19 Fouquieria purpusii T s brAndegee This has long been one of the least cultivated of this genus of succulent shrubs pachycauls and caudiciforms and only recently has seed become available This pachycaul succulent forms a gradu-ally tapered light green trunk ornamented with corky markings and bearing slender lateral branches armed with thorns In growth these branches are covered with linear leaves the same light green color as the trunk The species is known only from limestone in southern Puebla and northern Oaxaca Mexico HBG 97465 from hand-pollination of long-cultivated specimens grown at Orange Coast College by master propagator Joe Stead $14

18

W R

oumloumlsl

i

D Houston

17

19D Houston

62 CaCtusandsuCCulentJournal

isi 2008ndash20 Gasteria lsquoBronze knucklesrsquo TrAger Gasterias are often indiscriminately hybridized in southern California by humming-birds Therefore open-pollinated seed (as opposed to that from controlled pollination) is rarely worth keep-ing or sowing When set on a desirable spe-cies like G armstrongii however one might be tempted to try some That is the history of this new cultivar which appears to be a hybrid of G nitida var arm-strongii and G bicolor var liliputana The lat-

ter species lends its glossiness and dwarf offsetting habit to the dark leaf-color of the former This miniature clumper is deep green in shade but can blush a lovely bronze with more light hence the cultivar name The rosettes of recurved leaves are at first distichous but they later become rosulate Divisions of HBG 97466 one of a batch of mostly true offspring from seed harvested by one of our more pugnacious volunteers whose wings beat nearly as fast as the pollinator $7

isi 2008ndash21 Kalanchoe laxiflo-ra bAker This kalanchoe is vari-able like its commoner relative K fedtschenkoi This particular collection has sharply serrate leaves These can be quite strik-ing when grown in good light as they blush pastel pinkish tones and have teeth boldly outlined with dark purple The species is also variable with regard to flower color which has given rise to a number of subspe-cies now considered synonyms Rooted cuts of HBG 97488 cut-tings collected 23 Oct 1995 by Lavranos (30021) Barad James

20

21

2008volume80number2 63

Kimnach amp Linden ca 105 km N of Fianarantsoa Madagascar $6

isi 2008ndash22 Ledebouria crispa s venTer The genus Ledebouria is familiar to suc-culent collectors through the popular L violacea which has above-ground bulbs and attractively spotted foliage L crispa differs in its dwarf stature and strongly undulate or

ldquocrispedrdquo leaf margins It is known only from hills sur-rounding Pietersburg in the Northern Province of South Africa Though dor-mant in winter the plants have proven completely tolerant of the light frosts and winter rain experi-enced in our shade house Divisions of HBG 81213 a plant from seed of L Lippold 80ndash159 collected 2 Oct 1980 $8

isi 2008ndash23 Oeceoclades petiolata (sChLeChTer) gArAy amp P TAyLor This terrestrial orchid is an understory-denizen of the thorn forests of Madagascar (see prior offerings of this genus 2001ndash2005) Its succulent cordate leaf blade is reminiscent of that of the South African terrestrial Holothrix orchids but is held above the glossy pseudobulb by a slender petiole HBG 97472 plants from controlled pollination of Roumloumlsli amp Hoffmann sn collected Dec 1992 Mt de Franccedilais Diego Suarez Madagascar $24

isi 2008ndash24 Operculicarya decaryi h Perrier Some growers may be tempted to duplicate the bonsai form of this spe-cies sometimes seen in shows This requires diligence and if that is lacking O pachypus would be a better choice as it is

22

23

64 CaCtusandsuCCulentJournal

a natural succulent bonsai O decaryi is similar to that species vegetatively but wants to be a tree with a spindle-shaped trunk to 6 m or more tall Within the con-fines of a pot however it is slow-growing and can be maintained within bounds for decades while one appreciates its attrac-tive features the knobby bark delightful deep green to purplish pinnate leaves and eventually the small deep red flowers HBG 97492 plants from seed collected 23 Nov 2005 by Roumloumlsli amp Hoffmann (2305) at Morombe Madagascar $12

isi 2008ndash25 Ornithogalum pruinosum F m LeighTon Succulent leaves can be found on a few members of this genus of mostly South African bulbs and most are excel-lent companions for winter-growing suc-culents and have lovely flowers In the case of O pruinosum these are 2 cm or more in diameter white with yellow pistils and usually bear an olive green spot at the base of each tepal Seedlings from HBG 97489 bulbs collected in Namaqualand S Africa $5

isi 2008ndash26 Othonna retrofracta JACquin This precocious pachycaul packs away photosynthates at an early age to form a plump caudex Later slender branch-es develop atop the caudiciform trunk to form a charmingly awkward adoles-cent stage on the way to forming a small shrublet Commonly labeled O lobata or

24

25

D H

oust

on

K Griffin

D H

oust

on

2008volume80number2 65

O quercifolia O retrofracta is the older name to apply to this widespread Namaqualand species The synonyms imply the variability of the species especially with respect to divi-sion of the leaf into pinnatifid lobes The species is ideally suited to culture in a Mediterranean climate or wherever winter-growing succulents thrive Seedlings from controlled pollination of HBG 65252 plants originally from the Sheilam Nursery in Cape Town $7

isi 2008ndash27 Rauhia decora rAvennA The amaryllidaceous genus Rauhia consists of just three species of succulent-leaved bulbs from the Peruvian Andes R multiflora first described in 1969 is the most widely cultivated The other two are little known and some suggest may be variants of the original species Nevertheless R decora (as the epithet implies) is the most ornamental In addition to bearing the fleshy obovate leaves of the genus these are attractively speckled with silver The greenish funnelform flowers are arranged in umbels as is diagnostic for the family HBG 97490 second-generation seedlings of Paul Hutchison 3799 collected in Peru Dept Amazonas Prov Bagua in the can-yon of the Riacuteo Utcubamba 288 km E of Olmos 820 m $10

isi 2008ndash28 Ruschia tumidula (hAWorTh) sChWAnTes This widespread species from the West Cape of South Africa and north to Namibia grows to be an upright shrub to 60 cm tall In spring its wand-like branches are clothed with bright magenta flowers 2 cm across Rooted cuts of HBG 67594 a 26

27 28

66 CaCtusandsuCCulentJournal

plant from seed collected Aug 1990 by Michael Vassar (MV 6164) 5 km up Rooiberg Pass east of Calitzdorp W Cape S Africa $6

isi 2008ndash29 Sansevieria trifasciata lsquoForescatersquo The Mother-in-lawrsquos Tongue as S trifasciata is commonly called is exceedingly popular around the world as a durable houseplant or landscape subject in the tropics and subtropics Some of its many sports are old standbys of the nursery industry and many of the slower-grow-ing selections are choice collectorrsquos items S lsquoForescatersquo is particularly sought after for its stately leaves of vivid yellow with green margins Divisions of HBG 65341 a plant received from KD Morgenstern via Kew Botanical Gardens in 1989 $35

isi 2008ndash30 Urginea maritima (L) bAker This Mediterranean bulb can achieve massive proportions as large as a volleyball and weighing more than 10 pounds It is a winter grower with a rosette of glaucous sword-shaped leaves to two feet long The bulb clothed in a papery reddish tunic mounds up above the ground with age or can be grown above-ground in a pot In summer the plant is dormant the foliage dried and mostly gone yet the plant reasserts itself in dramatic fashion by producing a flower stalk to 2 m tall the upper third or more being a dense raceme packed with white flowers HBG 97479 plants grown from seed of horticultural origin $5

Additions and Corrections

isi 2004ndash35 Sansevieria patens According to Len Newton (Sansevieria 13 3 2005) the origin and iden-tity of NE Brownrsquos original S patens remains an unsolved mystery Therefore Steve Jankalski (Sansevieria 15 8ndash9 2006) has coined the cultivar name S lsquoEd Ebyrsquo for this plant in honor of the man who rescued the surviv-ing plant from Koko Crater Botanic Garden in Hawaii Jankalski suggests that the plant may be a hybrid of S canaliculata and S pearso-nii two species employed in the USDA breeding program in Florida for developing superior fiber-plants many of which ended up in Koko Crater Alternatively the plant may be an open hybrid of these two species which are also cultivated at Koko Crater Further research will be required to determine the possible hybrid origin of S lsquoEd Ebyrsquo and its parent-age

30

29

2008volume80number2 57

isi 2008ndash9 Aloe lsquoMacho Pinkrsquo bLeCk This somewhat conflicted hybrid is another developed by John Bleck in the early 1980s but is still not as widely distributed as it deserves It is one of Bleckrsquos ldquofirst four introduc-tionsrdquo series developed for their desirable flowers which are produced nearly non-stop throughout the year Its floriferousness is derived from its Madagascan parents in particular A descoingsii and A parvula while the narrow-campan-ulate flowers on slen-der erect inflores-cences and pinkish white-tipped petals combine features of A albiflora and A bel-latula The four spe-cies in the parentage of this hybrid were crossed according to the following formu-la (A descoingsii times A parvula) times (A albi-flora times A bellatula) The selection made and named by Bleck is his number 1372A Rooted offsets of HBG 52127 $8

isi 2008ndash10 Aloe rupestris bAker This species ranges from Natal South Africa north to Swaziland and southern Mozambique and grows among coast-al forest or rocky slopes as the epi-thet rupestris (ldquogrow-ing in rocky placesrdquo) implies It forms mostly solitary arbo-rescent specimens to 8 m tall though offsetting forms have been favored in cultivation In habit it resembles the related A thraskii and A excelsa which also produce rather

top-heavy rosettes above stems clothed in the upper part with a skirt of persistent dried leaves What is remarkable about this species is its can-delabraform inflorescences which bear up to 15 or more erect cylindri-cal racemes These are densely packed with yellowish buds which open to become completely overshadowed by the brilliant orange exserted stamens The effect is much like the Australian Proteaceae in the genus Banksia HBG 91572 plants grown from seed collected in Swaziland $8

9

10

58 CaCtusandsuCCulentJournal

isi 2008ndash11 Aloe suzannae deCAry This rare Madagascan aloe is distinctive in a number of respects First the spelling of the epithet with a z is different than the South African succulents Crassula susannae and Euphorbia susannae reflecting the French influence in Madagascan botany The species is slow-growing but eventually forms a tree to 4 m The succulent gray lanceolate-linear leaves are nearly straight to a meter long have rounded tips and are packed 60ndash100 per rosette The flowers are also unusual in their creamy white color and broadly campanulate shape with spreading petals These are closely set on a simple spike-like raceme to 3 m tall We have had the good fortune of witnessing this dramatic inflorescence a couple of seasons now in the Huntingtonrsquos Desert Garden Even more fortunate is that this individual has proven self-fertile yielding the seed that has made this offering possible Seedlings from HBG 53704 a plant whose precise origin is unknown $12

isi 2008ndash12 Aloe zebrina lsquoChapplersquos yellowrsquo TrAger This rare yellow-flowered variant stands out in the field of maculate aloesmdasha reference to their typically white-spotted leavesmdashwhich are normally difficult to distinguish from one another In A zebrina whose flowers are typically dull pink the leaves are arranged in compact rosettes that offset to form colonies and the leaf-spots are grouped into bands The leaves dry naturally at the tips even under lush growing conditions so this should not be a cause for concern in cultivation The selection offered here has been maintained in cultivation for more than 30 years by Anthon Ellert first in the former Southern Rhodesia (now Zimbabwe) and since 2001 in Tucson Arizona He acquired a start of the plant from the late Roy Chapple a medical officer for Rhodesia Railways Chapple collected some of this dis-tinctive form dur-ing his journeys on the railways through the terri-tory of Botswana at the small vil-lage of Hildavale Among its virtues according to Ellert are that this form grows equally well in full sun or part shade and will tol-erate light frost Rooted offsets of HBG 97464 $7

11

12

2008volume80number2 59

isi 2008ndash13 timesAstroworthia lsquotowering infernorsquo TrAger Garden hybrids of Astroloba and Haworthia are not uncommon but most are rather muddy-looking mongrels without the distinctive attractions of either parent The hybrid named here for the first time is an exception with its stacked rosettes of stiff narrow-triangular pointed leaves that blush a fiery reddish color The precise parentage is unknown but appears to include one of the smooth-leaved Astroloba species with similar stacking leaves Haworthia coarctata may have contributed its colorful foliage and a hint of tubercles on the leaf-surfaces Rooted offsets of HBG 97487 a plant that came to us in Jan 2001 with the collection of Los Angeles resident Stan Green $7

isi 2008ndash14 Baynesia lophophora bruyns This relatively new monotype (Novon 10 354 2000) is known only from the Baynes Mountains of northwestern Namibia where it usually grows concealed among tufts of grass at 1500ndash1600 m atop the prominent sandstone cliffs that overlook the Kunene River Its clumping stems have a rugulose (with a rough texture resem-bling sandpaper) epidermis quite responsive to light intensity being bright glossy green or blushing dark brownish with just a few daysrsquo exposure to brighter light Vegetatively the species resembles Anomalluma dodsoniana (placed in Caralluma or Pseudolithos by some authors) but the ridged papillate crested corolla-lobes of B lophophora are unique among stapeliads The flowers hang near the stem tips from slender pedicels and are maroon with a white throat Fly pollinators are attracted to a mild but detectable odor These are not species specific as the plants form fruits in cultivation well removed from habitat and its particular pollinators Divisions from about three dozen clones of HBG 97463 second generation seedlings of Bruyns 8000 the type collection made in Dec 1999 $5

13

14

60 CaCtusandsuCCulentJournal

isi 2008ndash15 Cheiridopsis derenbergiana sChWAnTes This is a widespread Namaqualand species that includes a number of synonyms In any case it is a satisfying miniature with pellucid leaves and lemon yellow to nearly chartreuse flowers It grows well in our greenhouse but is more compact outdoors in the shade-house There it receives brighter light and better ventilation and survives mild frosts and winter rains HBG 97768 second generation seedlings of J Trager 97ndash29 seed collected atop gneiss hills above Omega Farm ca 20 km ENE of Springbok N Cape S Africa $6

isi 2008ndash16 Euphorbia milii des mouLins This form of the ever-popular ldquocrown of thornsrdquo makes an upright shrub to about 1 m tall It is a spectacular sight in flower and rivals some of the ldquoimprovedrdquo Thai hybrids with its large clusters of bright pink cyathia At the onset of winter dormancy the leaves provide some fall color as they blush red before going deciduous HBG 97522 plants from Roumloumlsli amp Hoffmann 506 seeds collected 17 Nov 2006 at Mahatsingo Madagascar $8

15

16

John Trager at the habitat of the Cheiridopsis derenbergiana

collection offeredW

Roumlouml

sli

2008volume80number2 61

isi 2008ndash17 Euphorbia sp aff oncoclada drAke This is one of a group of shrubby to arborescent coralliform euphorbiasmdasha reference to their coral-like growth Included is the common E tirucalli and the thicker-branched E oncoclada native to south-western Madagascar but which this northerly species resembles This possibly-new species forms smaller specimens on the lean sharp tsingy limestone of its habitat HBG 97494 Roumloumlsli amp Hoffmann 5405 seeds collected 26 Dec 2005 at the dramatic limestone formations called Windsor Castle near the northern tip of Madagascar $7

isi 2008ndash18 Euphorbia sp aff umbraculiformis rAuh This possibly-new succulent-stemmed euphorbia has broader leaves than the related E umbraculiformis As in that species the leaves are arranged in rosettes at the stem tips where the colorful leaf bases unite to form a red eye HBG 97495 Roumloumlsli amp Hoffmann 5905 from seeds collected 26 Dec 2005 at Windsor Castle Madagascar $8

isi 2008ndash19 Fouquieria purpusii T s brAndegee This has long been one of the least cultivated of this genus of succulent shrubs pachycauls and caudiciforms and only recently has seed become available This pachycaul succulent forms a gradu-ally tapered light green trunk ornamented with corky markings and bearing slender lateral branches armed with thorns In growth these branches are covered with linear leaves the same light green color as the trunk The species is known only from limestone in southern Puebla and northern Oaxaca Mexico HBG 97465 from hand-pollination of long-cultivated specimens grown at Orange Coast College by master propagator Joe Stead $14

18

W R

oumloumlsl

i

D Houston

17

19D Houston

62 CaCtusandsuCCulentJournal

isi 2008ndash20 Gasteria lsquoBronze knucklesrsquo TrAger Gasterias are often indiscriminately hybridized in southern California by humming-birds Therefore open-pollinated seed (as opposed to that from controlled pollination) is rarely worth keep-ing or sowing When set on a desirable spe-cies like G armstrongii however one might be tempted to try some That is the history of this new cultivar which appears to be a hybrid of G nitida var arm-strongii and G bicolor var liliputana The lat-

ter species lends its glossiness and dwarf offsetting habit to the dark leaf-color of the former This miniature clumper is deep green in shade but can blush a lovely bronze with more light hence the cultivar name The rosettes of recurved leaves are at first distichous but they later become rosulate Divisions of HBG 97466 one of a batch of mostly true offspring from seed harvested by one of our more pugnacious volunteers whose wings beat nearly as fast as the pollinator $7

isi 2008ndash21 Kalanchoe laxiflo-ra bAker This kalanchoe is vari-able like its commoner relative K fedtschenkoi This particular collection has sharply serrate leaves These can be quite strik-ing when grown in good light as they blush pastel pinkish tones and have teeth boldly outlined with dark purple The species is also variable with regard to flower color which has given rise to a number of subspe-cies now considered synonyms Rooted cuts of HBG 97488 cut-tings collected 23 Oct 1995 by Lavranos (30021) Barad James

20

21

2008volume80number2 63

Kimnach amp Linden ca 105 km N of Fianarantsoa Madagascar $6

isi 2008ndash22 Ledebouria crispa s venTer The genus Ledebouria is familiar to suc-culent collectors through the popular L violacea which has above-ground bulbs and attractively spotted foliage L crispa differs in its dwarf stature and strongly undulate or

ldquocrispedrdquo leaf margins It is known only from hills sur-rounding Pietersburg in the Northern Province of South Africa Though dor-mant in winter the plants have proven completely tolerant of the light frosts and winter rain experi-enced in our shade house Divisions of HBG 81213 a plant from seed of L Lippold 80ndash159 collected 2 Oct 1980 $8

isi 2008ndash23 Oeceoclades petiolata (sChLeChTer) gArAy amp P TAyLor This terrestrial orchid is an understory-denizen of the thorn forests of Madagascar (see prior offerings of this genus 2001ndash2005) Its succulent cordate leaf blade is reminiscent of that of the South African terrestrial Holothrix orchids but is held above the glossy pseudobulb by a slender petiole HBG 97472 plants from controlled pollination of Roumloumlsli amp Hoffmann sn collected Dec 1992 Mt de Franccedilais Diego Suarez Madagascar $24

isi 2008ndash24 Operculicarya decaryi h Perrier Some growers may be tempted to duplicate the bonsai form of this spe-cies sometimes seen in shows This requires diligence and if that is lacking O pachypus would be a better choice as it is

22

23

64 CaCtusandsuCCulentJournal

a natural succulent bonsai O decaryi is similar to that species vegetatively but wants to be a tree with a spindle-shaped trunk to 6 m or more tall Within the con-fines of a pot however it is slow-growing and can be maintained within bounds for decades while one appreciates its attrac-tive features the knobby bark delightful deep green to purplish pinnate leaves and eventually the small deep red flowers HBG 97492 plants from seed collected 23 Nov 2005 by Roumloumlsli amp Hoffmann (2305) at Morombe Madagascar $12

isi 2008ndash25 Ornithogalum pruinosum F m LeighTon Succulent leaves can be found on a few members of this genus of mostly South African bulbs and most are excel-lent companions for winter-growing suc-culents and have lovely flowers In the case of O pruinosum these are 2 cm or more in diameter white with yellow pistils and usually bear an olive green spot at the base of each tepal Seedlings from HBG 97489 bulbs collected in Namaqualand S Africa $5

isi 2008ndash26 Othonna retrofracta JACquin This precocious pachycaul packs away photosynthates at an early age to form a plump caudex Later slender branch-es develop atop the caudiciform trunk to form a charmingly awkward adoles-cent stage on the way to forming a small shrublet Commonly labeled O lobata or

24

25

D H

oust

on

K Griffin

D H

oust

on

2008volume80number2 65

O quercifolia O retrofracta is the older name to apply to this widespread Namaqualand species The synonyms imply the variability of the species especially with respect to divi-sion of the leaf into pinnatifid lobes The species is ideally suited to culture in a Mediterranean climate or wherever winter-growing succulents thrive Seedlings from controlled pollination of HBG 65252 plants originally from the Sheilam Nursery in Cape Town $7

isi 2008ndash27 Rauhia decora rAvennA The amaryllidaceous genus Rauhia consists of just three species of succulent-leaved bulbs from the Peruvian Andes R multiflora first described in 1969 is the most widely cultivated The other two are little known and some suggest may be variants of the original species Nevertheless R decora (as the epithet implies) is the most ornamental In addition to bearing the fleshy obovate leaves of the genus these are attractively speckled with silver The greenish funnelform flowers are arranged in umbels as is diagnostic for the family HBG 97490 second-generation seedlings of Paul Hutchison 3799 collected in Peru Dept Amazonas Prov Bagua in the can-yon of the Riacuteo Utcubamba 288 km E of Olmos 820 m $10

isi 2008ndash28 Ruschia tumidula (hAWorTh) sChWAnTes This widespread species from the West Cape of South Africa and north to Namibia grows to be an upright shrub to 60 cm tall In spring its wand-like branches are clothed with bright magenta flowers 2 cm across Rooted cuts of HBG 67594 a 26

27 28

66 CaCtusandsuCCulentJournal

plant from seed collected Aug 1990 by Michael Vassar (MV 6164) 5 km up Rooiberg Pass east of Calitzdorp W Cape S Africa $6

isi 2008ndash29 Sansevieria trifasciata lsquoForescatersquo The Mother-in-lawrsquos Tongue as S trifasciata is commonly called is exceedingly popular around the world as a durable houseplant or landscape subject in the tropics and subtropics Some of its many sports are old standbys of the nursery industry and many of the slower-grow-ing selections are choice collectorrsquos items S lsquoForescatersquo is particularly sought after for its stately leaves of vivid yellow with green margins Divisions of HBG 65341 a plant received from KD Morgenstern via Kew Botanical Gardens in 1989 $35

isi 2008ndash30 Urginea maritima (L) bAker This Mediterranean bulb can achieve massive proportions as large as a volleyball and weighing more than 10 pounds It is a winter grower with a rosette of glaucous sword-shaped leaves to two feet long The bulb clothed in a papery reddish tunic mounds up above the ground with age or can be grown above-ground in a pot In summer the plant is dormant the foliage dried and mostly gone yet the plant reasserts itself in dramatic fashion by producing a flower stalk to 2 m tall the upper third or more being a dense raceme packed with white flowers HBG 97479 plants grown from seed of horticultural origin $5

Additions and Corrections

isi 2004ndash35 Sansevieria patens According to Len Newton (Sansevieria 13 3 2005) the origin and iden-tity of NE Brownrsquos original S patens remains an unsolved mystery Therefore Steve Jankalski (Sansevieria 15 8ndash9 2006) has coined the cultivar name S lsquoEd Ebyrsquo for this plant in honor of the man who rescued the surviv-ing plant from Koko Crater Botanic Garden in Hawaii Jankalski suggests that the plant may be a hybrid of S canaliculata and S pearso-nii two species employed in the USDA breeding program in Florida for developing superior fiber-plants many of which ended up in Koko Crater Alternatively the plant may be an open hybrid of these two species which are also cultivated at Koko Crater Further research will be required to determine the possible hybrid origin of S lsquoEd Ebyrsquo and its parent-age

30

29

58 CaCtusandsuCCulentJournal

isi 2008ndash11 Aloe suzannae deCAry This rare Madagascan aloe is distinctive in a number of respects First the spelling of the epithet with a z is different than the South African succulents Crassula susannae and Euphorbia susannae reflecting the French influence in Madagascan botany The species is slow-growing but eventually forms a tree to 4 m The succulent gray lanceolate-linear leaves are nearly straight to a meter long have rounded tips and are packed 60ndash100 per rosette The flowers are also unusual in their creamy white color and broadly campanulate shape with spreading petals These are closely set on a simple spike-like raceme to 3 m tall We have had the good fortune of witnessing this dramatic inflorescence a couple of seasons now in the Huntingtonrsquos Desert Garden Even more fortunate is that this individual has proven self-fertile yielding the seed that has made this offering possible Seedlings from HBG 53704 a plant whose precise origin is unknown $12

isi 2008ndash12 Aloe zebrina lsquoChapplersquos yellowrsquo TrAger This rare yellow-flowered variant stands out in the field of maculate aloesmdasha reference to their typically white-spotted leavesmdashwhich are normally difficult to distinguish from one another In A zebrina whose flowers are typically dull pink the leaves are arranged in compact rosettes that offset to form colonies and the leaf-spots are grouped into bands The leaves dry naturally at the tips even under lush growing conditions so this should not be a cause for concern in cultivation The selection offered here has been maintained in cultivation for more than 30 years by Anthon Ellert first in the former Southern Rhodesia (now Zimbabwe) and since 2001 in Tucson Arizona He acquired a start of the plant from the late Roy Chapple a medical officer for Rhodesia Railways Chapple collected some of this dis-tinctive form dur-ing his journeys on the railways through the terri-tory of Botswana at the small vil-lage of Hildavale Among its virtues according to Ellert are that this form grows equally well in full sun or part shade and will tol-erate light frost Rooted offsets of HBG 97464 $7

11

12

2008volume80number2 59

isi 2008ndash13 timesAstroworthia lsquotowering infernorsquo TrAger Garden hybrids of Astroloba and Haworthia are not uncommon but most are rather muddy-looking mongrels without the distinctive attractions of either parent The hybrid named here for the first time is an exception with its stacked rosettes of stiff narrow-triangular pointed leaves that blush a fiery reddish color The precise parentage is unknown but appears to include one of the smooth-leaved Astroloba species with similar stacking leaves Haworthia coarctata may have contributed its colorful foliage and a hint of tubercles on the leaf-surfaces Rooted offsets of HBG 97487 a plant that came to us in Jan 2001 with the collection of Los Angeles resident Stan Green $7

isi 2008ndash14 Baynesia lophophora bruyns This relatively new monotype (Novon 10 354 2000) is known only from the Baynes Mountains of northwestern Namibia where it usually grows concealed among tufts of grass at 1500ndash1600 m atop the prominent sandstone cliffs that overlook the Kunene River Its clumping stems have a rugulose (with a rough texture resem-bling sandpaper) epidermis quite responsive to light intensity being bright glossy green or blushing dark brownish with just a few daysrsquo exposure to brighter light Vegetatively the species resembles Anomalluma dodsoniana (placed in Caralluma or Pseudolithos by some authors) but the ridged papillate crested corolla-lobes of B lophophora are unique among stapeliads The flowers hang near the stem tips from slender pedicels and are maroon with a white throat Fly pollinators are attracted to a mild but detectable odor These are not species specific as the plants form fruits in cultivation well removed from habitat and its particular pollinators Divisions from about three dozen clones of HBG 97463 second generation seedlings of Bruyns 8000 the type collection made in Dec 1999 $5

13

14

60 CaCtusandsuCCulentJournal

isi 2008ndash15 Cheiridopsis derenbergiana sChWAnTes This is a widespread Namaqualand species that includes a number of synonyms In any case it is a satisfying miniature with pellucid leaves and lemon yellow to nearly chartreuse flowers It grows well in our greenhouse but is more compact outdoors in the shade-house There it receives brighter light and better ventilation and survives mild frosts and winter rains HBG 97768 second generation seedlings of J Trager 97ndash29 seed collected atop gneiss hills above Omega Farm ca 20 km ENE of Springbok N Cape S Africa $6

isi 2008ndash16 Euphorbia milii des mouLins This form of the ever-popular ldquocrown of thornsrdquo makes an upright shrub to about 1 m tall It is a spectacular sight in flower and rivals some of the ldquoimprovedrdquo Thai hybrids with its large clusters of bright pink cyathia At the onset of winter dormancy the leaves provide some fall color as they blush red before going deciduous HBG 97522 plants from Roumloumlsli amp Hoffmann 506 seeds collected 17 Nov 2006 at Mahatsingo Madagascar $8

15

16

John Trager at the habitat of the Cheiridopsis derenbergiana

collection offeredW

Roumlouml

sli

2008volume80number2 61

isi 2008ndash17 Euphorbia sp aff oncoclada drAke This is one of a group of shrubby to arborescent coralliform euphorbiasmdasha reference to their coral-like growth Included is the common E tirucalli and the thicker-branched E oncoclada native to south-western Madagascar but which this northerly species resembles This possibly-new species forms smaller specimens on the lean sharp tsingy limestone of its habitat HBG 97494 Roumloumlsli amp Hoffmann 5405 seeds collected 26 Dec 2005 at the dramatic limestone formations called Windsor Castle near the northern tip of Madagascar $7

isi 2008ndash18 Euphorbia sp aff umbraculiformis rAuh This possibly-new succulent-stemmed euphorbia has broader leaves than the related E umbraculiformis As in that species the leaves are arranged in rosettes at the stem tips where the colorful leaf bases unite to form a red eye HBG 97495 Roumloumlsli amp Hoffmann 5905 from seeds collected 26 Dec 2005 at Windsor Castle Madagascar $8

isi 2008ndash19 Fouquieria purpusii T s brAndegee This has long been one of the least cultivated of this genus of succulent shrubs pachycauls and caudiciforms and only recently has seed become available This pachycaul succulent forms a gradu-ally tapered light green trunk ornamented with corky markings and bearing slender lateral branches armed with thorns In growth these branches are covered with linear leaves the same light green color as the trunk The species is known only from limestone in southern Puebla and northern Oaxaca Mexico HBG 97465 from hand-pollination of long-cultivated specimens grown at Orange Coast College by master propagator Joe Stead $14

18

W R

oumloumlsl

i

D Houston

17

19D Houston

62 CaCtusandsuCCulentJournal

isi 2008ndash20 Gasteria lsquoBronze knucklesrsquo TrAger Gasterias are often indiscriminately hybridized in southern California by humming-birds Therefore open-pollinated seed (as opposed to that from controlled pollination) is rarely worth keep-ing or sowing When set on a desirable spe-cies like G armstrongii however one might be tempted to try some That is the history of this new cultivar which appears to be a hybrid of G nitida var arm-strongii and G bicolor var liliputana The lat-

ter species lends its glossiness and dwarf offsetting habit to the dark leaf-color of the former This miniature clumper is deep green in shade but can blush a lovely bronze with more light hence the cultivar name The rosettes of recurved leaves are at first distichous but they later become rosulate Divisions of HBG 97466 one of a batch of mostly true offspring from seed harvested by one of our more pugnacious volunteers whose wings beat nearly as fast as the pollinator $7

isi 2008ndash21 Kalanchoe laxiflo-ra bAker This kalanchoe is vari-able like its commoner relative K fedtschenkoi This particular collection has sharply serrate leaves These can be quite strik-ing when grown in good light as they blush pastel pinkish tones and have teeth boldly outlined with dark purple The species is also variable with regard to flower color which has given rise to a number of subspe-cies now considered synonyms Rooted cuts of HBG 97488 cut-tings collected 23 Oct 1995 by Lavranos (30021) Barad James

20

21

2008volume80number2 63

Kimnach amp Linden ca 105 km N of Fianarantsoa Madagascar $6

isi 2008ndash22 Ledebouria crispa s venTer The genus Ledebouria is familiar to suc-culent collectors through the popular L violacea which has above-ground bulbs and attractively spotted foliage L crispa differs in its dwarf stature and strongly undulate or

ldquocrispedrdquo leaf margins It is known only from hills sur-rounding Pietersburg in the Northern Province of South Africa Though dor-mant in winter the plants have proven completely tolerant of the light frosts and winter rain experi-enced in our shade house Divisions of HBG 81213 a plant from seed of L Lippold 80ndash159 collected 2 Oct 1980 $8

isi 2008ndash23 Oeceoclades petiolata (sChLeChTer) gArAy amp P TAyLor This terrestrial orchid is an understory-denizen of the thorn forests of Madagascar (see prior offerings of this genus 2001ndash2005) Its succulent cordate leaf blade is reminiscent of that of the South African terrestrial Holothrix orchids but is held above the glossy pseudobulb by a slender petiole HBG 97472 plants from controlled pollination of Roumloumlsli amp Hoffmann sn collected Dec 1992 Mt de Franccedilais Diego Suarez Madagascar $24

isi 2008ndash24 Operculicarya decaryi h Perrier Some growers may be tempted to duplicate the bonsai form of this spe-cies sometimes seen in shows This requires diligence and if that is lacking O pachypus would be a better choice as it is

22

23

64 CaCtusandsuCCulentJournal

a natural succulent bonsai O decaryi is similar to that species vegetatively but wants to be a tree with a spindle-shaped trunk to 6 m or more tall Within the con-fines of a pot however it is slow-growing and can be maintained within bounds for decades while one appreciates its attrac-tive features the knobby bark delightful deep green to purplish pinnate leaves and eventually the small deep red flowers HBG 97492 plants from seed collected 23 Nov 2005 by Roumloumlsli amp Hoffmann (2305) at Morombe Madagascar $12

isi 2008ndash25 Ornithogalum pruinosum F m LeighTon Succulent leaves can be found on a few members of this genus of mostly South African bulbs and most are excel-lent companions for winter-growing suc-culents and have lovely flowers In the case of O pruinosum these are 2 cm or more in diameter white with yellow pistils and usually bear an olive green spot at the base of each tepal Seedlings from HBG 97489 bulbs collected in Namaqualand S Africa $5

isi 2008ndash26 Othonna retrofracta JACquin This precocious pachycaul packs away photosynthates at an early age to form a plump caudex Later slender branch-es develop atop the caudiciform trunk to form a charmingly awkward adoles-cent stage on the way to forming a small shrublet Commonly labeled O lobata or

24

25

D H

oust

on

K Griffin

D H

oust

on

2008volume80number2 65

O quercifolia O retrofracta is the older name to apply to this widespread Namaqualand species The synonyms imply the variability of the species especially with respect to divi-sion of the leaf into pinnatifid lobes The species is ideally suited to culture in a Mediterranean climate or wherever winter-growing succulents thrive Seedlings from controlled pollination of HBG 65252 plants originally from the Sheilam Nursery in Cape Town $7

isi 2008ndash27 Rauhia decora rAvennA The amaryllidaceous genus Rauhia consists of just three species of succulent-leaved bulbs from the Peruvian Andes R multiflora first described in 1969 is the most widely cultivated The other two are little known and some suggest may be variants of the original species Nevertheless R decora (as the epithet implies) is the most ornamental In addition to bearing the fleshy obovate leaves of the genus these are attractively speckled with silver The greenish funnelform flowers are arranged in umbels as is diagnostic for the family HBG 97490 second-generation seedlings of Paul Hutchison 3799 collected in Peru Dept Amazonas Prov Bagua in the can-yon of the Riacuteo Utcubamba 288 km E of Olmos 820 m $10

isi 2008ndash28 Ruschia tumidula (hAWorTh) sChWAnTes This widespread species from the West Cape of South Africa and north to Namibia grows to be an upright shrub to 60 cm tall In spring its wand-like branches are clothed with bright magenta flowers 2 cm across Rooted cuts of HBG 67594 a 26

27 28

66 CaCtusandsuCCulentJournal

plant from seed collected Aug 1990 by Michael Vassar (MV 6164) 5 km up Rooiberg Pass east of Calitzdorp W Cape S Africa $6

isi 2008ndash29 Sansevieria trifasciata lsquoForescatersquo The Mother-in-lawrsquos Tongue as S trifasciata is commonly called is exceedingly popular around the world as a durable houseplant or landscape subject in the tropics and subtropics Some of its many sports are old standbys of the nursery industry and many of the slower-grow-ing selections are choice collectorrsquos items S lsquoForescatersquo is particularly sought after for its stately leaves of vivid yellow with green margins Divisions of HBG 65341 a plant received from KD Morgenstern via Kew Botanical Gardens in 1989 $35

isi 2008ndash30 Urginea maritima (L) bAker This Mediterranean bulb can achieve massive proportions as large as a volleyball and weighing more than 10 pounds It is a winter grower with a rosette of glaucous sword-shaped leaves to two feet long The bulb clothed in a papery reddish tunic mounds up above the ground with age or can be grown above-ground in a pot In summer the plant is dormant the foliage dried and mostly gone yet the plant reasserts itself in dramatic fashion by producing a flower stalk to 2 m tall the upper third or more being a dense raceme packed with white flowers HBG 97479 plants grown from seed of horticultural origin $5

Additions and Corrections

isi 2004ndash35 Sansevieria patens According to Len Newton (Sansevieria 13 3 2005) the origin and iden-tity of NE Brownrsquos original S patens remains an unsolved mystery Therefore Steve Jankalski (Sansevieria 15 8ndash9 2006) has coined the cultivar name S lsquoEd Ebyrsquo for this plant in honor of the man who rescued the surviv-ing plant from Koko Crater Botanic Garden in Hawaii Jankalski suggests that the plant may be a hybrid of S canaliculata and S pearso-nii two species employed in the USDA breeding program in Florida for developing superior fiber-plants many of which ended up in Koko Crater Alternatively the plant may be an open hybrid of these two species which are also cultivated at Koko Crater Further research will be required to determine the possible hybrid origin of S lsquoEd Ebyrsquo and its parent-age

30

29

2008volume80number2 59

isi 2008ndash13 timesAstroworthia lsquotowering infernorsquo TrAger Garden hybrids of Astroloba and Haworthia are not uncommon but most are rather muddy-looking mongrels without the distinctive attractions of either parent The hybrid named here for the first time is an exception with its stacked rosettes of stiff narrow-triangular pointed leaves that blush a fiery reddish color The precise parentage is unknown but appears to include one of the smooth-leaved Astroloba species with similar stacking leaves Haworthia coarctata may have contributed its colorful foliage and a hint of tubercles on the leaf-surfaces Rooted offsets of HBG 97487 a plant that came to us in Jan 2001 with the collection of Los Angeles resident Stan Green $7

isi 2008ndash14 Baynesia lophophora bruyns This relatively new monotype (Novon 10 354 2000) is known only from the Baynes Mountains of northwestern Namibia where it usually grows concealed among tufts of grass at 1500ndash1600 m atop the prominent sandstone cliffs that overlook the Kunene River Its clumping stems have a rugulose (with a rough texture resem-bling sandpaper) epidermis quite responsive to light intensity being bright glossy green or blushing dark brownish with just a few daysrsquo exposure to brighter light Vegetatively the species resembles Anomalluma dodsoniana (placed in Caralluma or Pseudolithos by some authors) but the ridged papillate crested corolla-lobes of B lophophora are unique among stapeliads The flowers hang near the stem tips from slender pedicels and are maroon with a white throat Fly pollinators are attracted to a mild but detectable odor These are not species specific as the plants form fruits in cultivation well removed from habitat and its particular pollinators Divisions from about three dozen clones of HBG 97463 second generation seedlings of Bruyns 8000 the type collection made in Dec 1999 $5

13

14

60 CaCtusandsuCCulentJournal

isi 2008ndash15 Cheiridopsis derenbergiana sChWAnTes This is a widespread Namaqualand species that includes a number of synonyms In any case it is a satisfying miniature with pellucid leaves and lemon yellow to nearly chartreuse flowers It grows well in our greenhouse but is more compact outdoors in the shade-house There it receives brighter light and better ventilation and survives mild frosts and winter rains HBG 97768 second generation seedlings of J Trager 97ndash29 seed collected atop gneiss hills above Omega Farm ca 20 km ENE of Springbok N Cape S Africa $6

isi 2008ndash16 Euphorbia milii des mouLins This form of the ever-popular ldquocrown of thornsrdquo makes an upright shrub to about 1 m tall It is a spectacular sight in flower and rivals some of the ldquoimprovedrdquo Thai hybrids with its large clusters of bright pink cyathia At the onset of winter dormancy the leaves provide some fall color as they blush red before going deciduous HBG 97522 plants from Roumloumlsli amp Hoffmann 506 seeds collected 17 Nov 2006 at Mahatsingo Madagascar $8

15

16

John Trager at the habitat of the Cheiridopsis derenbergiana

collection offeredW

Roumlouml

sli

2008volume80number2 61

isi 2008ndash17 Euphorbia sp aff oncoclada drAke This is one of a group of shrubby to arborescent coralliform euphorbiasmdasha reference to their coral-like growth Included is the common E tirucalli and the thicker-branched E oncoclada native to south-western Madagascar but which this northerly species resembles This possibly-new species forms smaller specimens on the lean sharp tsingy limestone of its habitat HBG 97494 Roumloumlsli amp Hoffmann 5405 seeds collected 26 Dec 2005 at the dramatic limestone formations called Windsor Castle near the northern tip of Madagascar $7

isi 2008ndash18 Euphorbia sp aff umbraculiformis rAuh This possibly-new succulent-stemmed euphorbia has broader leaves than the related E umbraculiformis As in that species the leaves are arranged in rosettes at the stem tips where the colorful leaf bases unite to form a red eye HBG 97495 Roumloumlsli amp Hoffmann 5905 from seeds collected 26 Dec 2005 at Windsor Castle Madagascar $8

isi 2008ndash19 Fouquieria purpusii T s brAndegee This has long been one of the least cultivated of this genus of succulent shrubs pachycauls and caudiciforms and only recently has seed become available This pachycaul succulent forms a gradu-ally tapered light green trunk ornamented with corky markings and bearing slender lateral branches armed with thorns In growth these branches are covered with linear leaves the same light green color as the trunk The species is known only from limestone in southern Puebla and northern Oaxaca Mexico HBG 97465 from hand-pollination of long-cultivated specimens grown at Orange Coast College by master propagator Joe Stead $14

18

W R

oumloumlsl

i

D Houston

17

19D Houston

62 CaCtusandsuCCulentJournal

isi 2008ndash20 Gasteria lsquoBronze knucklesrsquo TrAger Gasterias are often indiscriminately hybridized in southern California by humming-birds Therefore open-pollinated seed (as opposed to that from controlled pollination) is rarely worth keep-ing or sowing When set on a desirable spe-cies like G armstrongii however one might be tempted to try some That is the history of this new cultivar which appears to be a hybrid of G nitida var arm-strongii and G bicolor var liliputana The lat-

ter species lends its glossiness and dwarf offsetting habit to the dark leaf-color of the former This miniature clumper is deep green in shade but can blush a lovely bronze with more light hence the cultivar name The rosettes of recurved leaves are at first distichous but they later become rosulate Divisions of HBG 97466 one of a batch of mostly true offspring from seed harvested by one of our more pugnacious volunteers whose wings beat nearly as fast as the pollinator $7

isi 2008ndash21 Kalanchoe laxiflo-ra bAker This kalanchoe is vari-able like its commoner relative K fedtschenkoi This particular collection has sharply serrate leaves These can be quite strik-ing when grown in good light as they blush pastel pinkish tones and have teeth boldly outlined with dark purple The species is also variable with regard to flower color which has given rise to a number of subspe-cies now considered synonyms Rooted cuts of HBG 97488 cut-tings collected 23 Oct 1995 by Lavranos (30021) Barad James

20

21

2008volume80number2 63

Kimnach amp Linden ca 105 km N of Fianarantsoa Madagascar $6

isi 2008ndash22 Ledebouria crispa s venTer The genus Ledebouria is familiar to suc-culent collectors through the popular L violacea which has above-ground bulbs and attractively spotted foliage L crispa differs in its dwarf stature and strongly undulate or

ldquocrispedrdquo leaf margins It is known only from hills sur-rounding Pietersburg in the Northern Province of South Africa Though dor-mant in winter the plants have proven completely tolerant of the light frosts and winter rain experi-enced in our shade house Divisions of HBG 81213 a plant from seed of L Lippold 80ndash159 collected 2 Oct 1980 $8

isi 2008ndash23 Oeceoclades petiolata (sChLeChTer) gArAy amp P TAyLor This terrestrial orchid is an understory-denizen of the thorn forests of Madagascar (see prior offerings of this genus 2001ndash2005) Its succulent cordate leaf blade is reminiscent of that of the South African terrestrial Holothrix orchids but is held above the glossy pseudobulb by a slender petiole HBG 97472 plants from controlled pollination of Roumloumlsli amp Hoffmann sn collected Dec 1992 Mt de Franccedilais Diego Suarez Madagascar $24

isi 2008ndash24 Operculicarya decaryi h Perrier Some growers may be tempted to duplicate the bonsai form of this spe-cies sometimes seen in shows This requires diligence and if that is lacking O pachypus would be a better choice as it is

22

23

64 CaCtusandsuCCulentJournal

a natural succulent bonsai O decaryi is similar to that species vegetatively but wants to be a tree with a spindle-shaped trunk to 6 m or more tall Within the con-fines of a pot however it is slow-growing and can be maintained within bounds for decades while one appreciates its attrac-tive features the knobby bark delightful deep green to purplish pinnate leaves and eventually the small deep red flowers HBG 97492 plants from seed collected 23 Nov 2005 by Roumloumlsli amp Hoffmann (2305) at Morombe Madagascar $12

isi 2008ndash25 Ornithogalum pruinosum F m LeighTon Succulent leaves can be found on a few members of this genus of mostly South African bulbs and most are excel-lent companions for winter-growing suc-culents and have lovely flowers In the case of O pruinosum these are 2 cm or more in diameter white with yellow pistils and usually bear an olive green spot at the base of each tepal Seedlings from HBG 97489 bulbs collected in Namaqualand S Africa $5

isi 2008ndash26 Othonna retrofracta JACquin This precocious pachycaul packs away photosynthates at an early age to form a plump caudex Later slender branch-es develop atop the caudiciform trunk to form a charmingly awkward adoles-cent stage on the way to forming a small shrublet Commonly labeled O lobata or

24

25

D H

oust

on

K Griffin

D H

oust

on

2008volume80number2 65

O quercifolia O retrofracta is the older name to apply to this widespread Namaqualand species The synonyms imply the variability of the species especially with respect to divi-sion of the leaf into pinnatifid lobes The species is ideally suited to culture in a Mediterranean climate or wherever winter-growing succulents thrive Seedlings from controlled pollination of HBG 65252 plants originally from the Sheilam Nursery in Cape Town $7

isi 2008ndash27 Rauhia decora rAvennA The amaryllidaceous genus Rauhia consists of just three species of succulent-leaved bulbs from the Peruvian Andes R multiflora first described in 1969 is the most widely cultivated The other two are little known and some suggest may be variants of the original species Nevertheless R decora (as the epithet implies) is the most ornamental In addition to bearing the fleshy obovate leaves of the genus these are attractively speckled with silver The greenish funnelform flowers are arranged in umbels as is diagnostic for the family HBG 97490 second-generation seedlings of Paul Hutchison 3799 collected in Peru Dept Amazonas Prov Bagua in the can-yon of the Riacuteo Utcubamba 288 km E of Olmos 820 m $10

isi 2008ndash28 Ruschia tumidula (hAWorTh) sChWAnTes This widespread species from the West Cape of South Africa and north to Namibia grows to be an upright shrub to 60 cm tall In spring its wand-like branches are clothed with bright magenta flowers 2 cm across Rooted cuts of HBG 67594 a 26

27 28

66 CaCtusandsuCCulentJournal

plant from seed collected Aug 1990 by Michael Vassar (MV 6164) 5 km up Rooiberg Pass east of Calitzdorp W Cape S Africa $6

isi 2008ndash29 Sansevieria trifasciata lsquoForescatersquo The Mother-in-lawrsquos Tongue as S trifasciata is commonly called is exceedingly popular around the world as a durable houseplant or landscape subject in the tropics and subtropics Some of its many sports are old standbys of the nursery industry and many of the slower-grow-ing selections are choice collectorrsquos items S lsquoForescatersquo is particularly sought after for its stately leaves of vivid yellow with green margins Divisions of HBG 65341 a plant received from KD Morgenstern via Kew Botanical Gardens in 1989 $35

isi 2008ndash30 Urginea maritima (L) bAker This Mediterranean bulb can achieve massive proportions as large as a volleyball and weighing more than 10 pounds It is a winter grower with a rosette of glaucous sword-shaped leaves to two feet long The bulb clothed in a papery reddish tunic mounds up above the ground with age or can be grown above-ground in a pot In summer the plant is dormant the foliage dried and mostly gone yet the plant reasserts itself in dramatic fashion by producing a flower stalk to 2 m tall the upper third or more being a dense raceme packed with white flowers HBG 97479 plants grown from seed of horticultural origin $5

Additions and Corrections

isi 2004ndash35 Sansevieria patens According to Len Newton (Sansevieria 13 3 2005) the origin and iden-tity of NE Brownrsquos original S patens remains an unsolved mystery Therefore Steve Jankalski (Sansevieria 15 8ndash9 2006) has coined the cultivar name S lsquoEd Ebyrsquo for this plant in honor of the man who rescued the surviv-ing plant from Koko Crater Botanic Garden in Hawaii Jankalski suggests that the plant may be a hybrid of S canaliculata and S pearso-nii two species employed in the USDA breeding program in Florida for developing superior fiber-plants many of which ended up in Koko Crater Alternatively the plant may be an open hybrid of these two species which are also cultivated at Koko Crater Further research will be required to determine the possible hybrid origin of S lsquoEd Ebyrsquo and its parent-age

30

29

60 CaCtusandsuCCulentJournal

isi 2008ndash15 Cheiridopsis derenbergiana sChWAnTes This is a widespread Namaqualand species that includes a number of synonyms In any case it is a satisfying miniature with pellucid leaves and lemon yellow to nearly chartreuse flowers It grows well in our greenhouse but is more compact outdoors in the shade-house There it receives brighter light and better ventilation and survives mild frosts and winter rains HBG 97768 second generation seedlings of J Trager 97ndash29 seed collected atop gneiss hills above Omega Farm ca 20 km ENE of Springbok N Cape S Africa $6

isi 2008ndash16 Euphorbia milii des mouLins This form of the ever-popular ldquocrown of thornsrdquo makes an upright shrub to about 1 m tall It is a spectacular sight in flower and rivals some of the ldquoimprovedrdquo Thai hybrids with its large clusters of bright pink cyathia At the onset of winter dormancy the leaves provide some fall color as they blush red before going deciduous HBG 97522 plants from Roumloumlsli amp Hoffmann 506 seeds collected 17 Nov 2006 at Mahatsingo Madagascar $8

15

16

John Trager at the habitat of the Cheiridopsis derenbergiana

collection offeredW

Roumlouml

sli

2008volume80number2 61

isi 2008ndash17 Euphorbia sp aff oncoclada drAke This is one of a group of shrubby to arborescent coralliform euphorbiasmdasha reference to their coral-like growth Included is the common E tirucalli and the thicker-branched E oncoclada native to south-western Madagascar but which this northerly species resembles This possibly-new species forms smaller specimens on the lean sharp tsingy limestone of its habitat HBG 97494 Roumloumlsli amp Hoffmann 5405 seeds collected 26 Dec 2005 at the dramatic limestone formations called Windsor Castle near the northern tip of Madagascar $7

isi 2008ndash18 Euphorbia sp aff umbraculiformis rAuh This possibly-new succulent-stemmed euphorbia has broader leaves than the related E umbraculiformis As in that species the leaves are arranged in rosettes at the stem tips where the colorful leaf bases unite to form a red eye HBG 97495 Roumloumlsli amp Hoffmann 5905 from seeds collected 26 Dec 2005 at Windsor Castle Madagascar $8

isi 2008ndash19 Fouquieria purpusii T s brAndegee This has long been one of the least cultivated of this genus of succulent shrubs pachycauls and caudiciforms and only recently has seed become available This pachycaul succulent forms a gradu-ally tapered light green trunk ornamented with corky markings and bearing slender lateral branches armed with thorns In growth these branches are covered with linear leaves the same light green color as the trunk The species is known only from limestone in southern Puebla and northern Oaxaca Mexico HBG 97465 from hand-pollination of long-cultivated specimens grown at Orange Coast College by master propagator Joe Stead $14

18

W R

oumloumlsl

i

D Houston

17

19D Houston

62 CaCtusandsuCCulentJournal

isi 2008ndash20 Gasteria lsquoBronze knucklesrsquo TrAger Gasterias are often indiscriminately hybridized in southern California by humming-birds Therefore open-pollinated seed (as opposed to that from controlled pollination) is rarely worth keep-ing or sowing When set on a desirable spe-cies like G armstrongii however one might be tempted to try some That is the history of this new cultivar which appears to be a hybrid of G nitida var arm-strongii and G bicolor var liliputana The lat-

ter species lends its glossiness and dwarf offsetting habit to the dark leaf-color of the former This miniature clumper is deep green in shade but can blush a lovely bronze with more light hence the cultivar name The rosettes of recurved leaves are at first distichous but they later become rosulate Divisions of HBG 97466 one of a batch of mostly true offspring from seed harvested by one of our more pugnacious volunteers whose wings beat nearly as fast as the pollinator $7

isi 2008ndash21 Kalanchoe laxiflo-ra bAker This kalanchoe is vari-able like its commoner relative K fedtschenkoi This particular collection has sharply serrate leaves These can be quite strik-ing when grown in good light as they blush pastel pinkish tones and have teeth boldly outlined with dark purple The species is also variable with regard to flower color which has given rise to a number of subspe-cies now considered synonyms Rooted cuts of HBG 97488 cut-tings collected 23 Oct 1995 by Lavranos (30021) Barad James

20

21

2008volume80number2 63

Kimnach amp Linden ca 105 km N of Fianarantsoa Madagascar $6

isi 2008ndash22 Ledebouria crispa s venTer The genus Ledebouria is familiar to suc-culent collectors through the popular L violacea which has above-ground bulbs and attractively spotted foliage L crispa differs in its dwarf stature and strongly undulate or

ldquocrispedrdquo leaf margins It is known only from hills sur-rounding Pietersburg in the Northern Province of South Africa Though dor-mant in winter the plants have proven completely tolerant of the light frosts and winter rain experi-enced in our shade house Divisions of HBG 81213 a plant from seed of L Lippold 80ndash159 collected 2 Oct 1980 $8

isi 2008ndash23 Oeceoclades petiolata (sChLeChTer) gArAy amp P TAyLor This terrestrial orchid is an understory-denizen of the thorn forests of Madagascar (see prior offerings of this genus 2001ndash2005) Its succulent cordate leaf blade is reminiscent of that of the South African terrestrial Holothrix orchids but is held above the glossy pseudobulb by a slender petiole HBG 97472 plants from controlled pollination of Roumloumlsli amp Hoffmann sn collected Dec 1992 Mt de Franccedilais Diego Suarez Madagascar $24

isi 2008ndash24 Operculicarya decaryi h Perrier Some growers may be tempted to duplicate the bonsai form of this spe-cies sometimes seen in shows This requires diligence and if that is lacking O pachypus would be a better choice as it is

22

23

64 CaCtusandsuCCulentJournal

a natural succulent bonsai O decaryi is similar to that species vegetatively but wants to be a tree with a spindle-shaped trunk to 6 m or more tall Within the con-fines of a pot however it is slow-growing and can be maintained within bounds for decades while one appreciates its attrac-tive features the knobby bark delightful deep green to purplish pinnate leaves and eventually the small deep red flowers HBG 97492 plants from seed collected 23 Nov 2005 by Roumloumlsli amp Hoffmann (2305) at Morombe Madagascar $12

isi 2008ndash25 Ornithogalum pruinosum F m LeighTon Succulent leaves can be found on a few members of this genus of mostly South African bulbs and most are excel-lent companions for winter-growing suc-culents and have lovely flowers In the case of O pruinosum these are 2 cm or more in diameter white with yellow pistils and usually bear an olive green spot at the base of each tepal Seedlings from HBG 97489 bulbs collected in Namaqualand S Africa $5

isi 2008ndash26 Othonna retrofracta JACquin This precocious pachycaul packs away photosynthates at an early age to form a plump caudex Later slender branch-es develop atop the caudiciform trunk to form a charmingly awkward adoles-cent stage on the way to forming a small shrublet Commonly labeled O lobata or

24

25

D H

oust

on

K Griffin

D H

oust

on

2008volume80number2 65

O quercifolia O retrofracta is the older name to apply to this widespread Namaqualand species The synonyms imply the variability of the species especially with respect to divi-sion of the leaf into pinnatifid lobes The species is ideally suited to culture in a Mediterranean climate or wherever winter-growing succulents thrive Seedlings from controlled pollination of HBG 65252 plants originally from the Sheilam Nursery in Cape Town $7

isi 2008ndash27 Rauhia decora rAvennA The amaryllidaceous genus Rauhia consists of just three species of succulent-leaved bulbs from the Peruvian Andes R multiflora first described in 1969 is the most widely cultivated The other two are little known and some suggest may be variants of the original species Nevertheless R decora (as the epithet implies) is the most ornamental In addition to bearing the fleshy obovate leaves of the genus these are attractively speckled with silver The greenish funnelform flowers are arranged in umbels as is diagnostic for the family HBG 97490 second-generation seedlings of Paul Hutchison 3799 collected in Peru Dept Amazonas Prov Bagua in the can-yon of the Riacuteo Utcubamba 288 km E of Olmos 820 m $10

isi 2008ndash28 Ruschia tumidula (hAWorTh) sChWAnTes This widespread species from the West Cape of South Africa and north to Namibia grows to be an upright shrub to 60 cm tall In spring its wand-like branches are clothed with bright magenta flowers 2 cm across Rooted cuts of HBG 67594 a 26

27 28

66 CaCtusandsuCCulentJournal

plant from seed collected Aug 1990 by Michael Vassar (MV 6164) 5 km up Rooiberg Pass east of Calitzdorp W Cape S Africa $6

isi 2008ndash29 Sansevieria trifasciata lsquoForescatersquo The Mother-in-lawrsquos Tongue as S trifasciata is commonly called is exceedingly popular around the world as a durable houseplant or landscape subject in the tropics and subtropics Some of its many sports are old standbys of the nursery industry and many of the slower-grow-ing selections are choice collectorrsquos items S lsquoForescatersquo is particularly sought after for its stately leaves of vivid yellow with green margins Divisions of HBG 65341 a plant received from KD Morgenstern via Kew Botanical Gardens in 1989 $35

isi 2008ndash30 Urginea maritima (L) bAker This Mediterranean bulb can achieve massive proportions as large as a volleyball and weighing more than 10 pounds It is a winter grower with a rosette of glaucous sword-shaped leaves to two feet long The bulb clothed in a papery reddish tunic mounds up above the ground with age or can be grown above-ground in a pot In summer the plant is dormant the foliage dried and mostly gone yet the plant reasserts itself in dramatic fashion by producing a flower stalk to 2 m tall the upper third or more being a dense raceme packed with white flowers HBG 97479 plants grown from seed of horticultural origin $5

Additions and Corrections

isi 2004ndash35 Sansevieria patens According to Len Newton (Sansevieria 13 3 2005) the origin and iden-tity of NE Brownrsquos original S patens remains an unsolved mystery Therefore Steve Jankalski (Sansevieria 15 8ndash9 2006) has coined the cultivar name S lsquoEd Ebyrsquo for this plant in honor of the man who rescued the surviv-ing plant from Koko Crater Botanic Garden in Hawaii Jankalski suggests that the plant may be a hybrid of S canaliculata and S pearso-nii two species employed in the USDA breeding program in Florida for developing superior fiber-plants many of which ended up in Koko Crater Alternatively the plant may be an open hybrid of these two species which are also cultivated at Koko Crater Further research will be required to determine the possible hybrid origin of S lsquoEd Ebyrsquo and its parent-age

30

29

2008volume80number2 61

isi 2008ndash17 Euphorbia sp aff oncoclada drAke This is one of a group of shrubby to arborescent coralliform euphorbiasmdasha reference to their coral-like growth Included is the common E tirucalli and the thicker-branched E oncoclada native to south-western Madagascar but which this northerly species resembles This possibly-new species forms smaller specimens on the lean sharp tsingy limestone of its habitat HBG 97494 Roumloumlsli amp Hoffmann 5405 seeds collected 26 Dec 2005 at the dramatic limestone formations called Windsor Castle near the northern tip of Madagascar $7

isi 2008ndash18 Euphorbia sp aff umbraculiformis rAuh This possibly-new succulent-stemmed euphorbia has broader leaves than the related E umbraculiformis As in that species the leaves are arranged in rosettes at the stem tips where the colorful leaf bases unite to form a red eye HBG 97495 Roumloumlsli amp Hoffmann 5905 from seeds collected 26 Dec 2005 at Windsor Castle Madagascar $8

isi 2008ndash19 Fouquieria purpusii T s brAndegee This has long been one of the least cultivated of this genus of succulent shrubs pachycauls and caudiciforms and only recently has seed become available This pachycaul succulent forms a gradu-ally tapered light green trunk ornamented with corky markings and bearing slender lateral branches armed with thorns In growth these branches are covered with linear leaves the same light green color as the trunk The species is known only from limestone in southern Puebla and northern Oaxaca Mexico HBG 97465 from hand-pollination of long-cultivated specimens grown at Orange Coast College by master propagator Joe Stead $14

18

W R

oumloumlsl

i

D Houston

17

19D Houston

62 CaCtusandsuCCulentJournal

isi 2008ndash20 Gasteria lsquoBronze knucklesrsquo TrAger Gasterias are often indiscriminately hybridized in southern California by humming-birds Therefore open-pollinated seed (as opposed to that from controlled pollination) is rarely worth keep-ing or sowing When set on a desirable spe-cies like G armstrongii however one might be tempted to try some That is the history of this new cultivar which appears to be a hybrid of G nitida var arm-strongii and G bicolor var liliputana The lat-

ter species lends its glossiness and dwarf offsetting habit to the dark leaf-color of the former This miniature clumper is deep green in shade but can blush a lovely bronze with more light hence the cultivar name The rosettes of recurved leaves are at first distichous but they later become rosulate Divisions of HBG 97466 one of a batch of mostly true offspring from seed harvested by one of our more pugnacious volunteers whose wings beat nearly as fast as the pollinator $7

isi 2008ndash21 Kalanchoe laxiflo-ra bAker This kalanchoe is vari-able like its commoner relative K fedtschenkoi This particular collection has sharply serrate leaves These can be quite strik-ing when grown in good light as they blush pastel pinkish tones and have teeth boldly outlined with dark purple The species is also variable with regard to flower color which has given rise to a number of subspe-cies now considered synonyms Rooted cuts of HBG 97488 cut-tings collected 23 Oct 1995 by Lavranos (30021) Barad James

20

21

2008volume80number2 63

Kimnach amp Linden ca 105 km N of Fianarantsoa Madagascar $6

isi 2008ndash22 Ledebouria crispa s venTer The genus Ledebouria is familiar to suc-culent collectors through the popular L violacea which has above-ground bulbs and attractively spotted foliage L crispa differs in its dwarf stature and strongly undulate or

ldquocrispedrdquo leaf margins It is known only from hills sur-rounding Pietersburg in the Northern Province of South Africa Though dor-mant in winter the plants have proven completely tolerant of the light frosts and winter rain experi-enced in our shade house Divisions of HBG 81213 a plant from seed of L Lippold 80ndash159 collected 2 Oct 1980 $8

isi 2008ndash23 Oeceoclades petiolata (sChLeChTer) gArAy amp P TAyLor This terrestrial orchid is an understory-denizen of the thorn forests of Madagascar (see prior offerings of this genus 2001ndash2005) Its succulent cordate leaf blade is reminiscent of that of the South African terrestrial Holothrix orchids but is held above the glossy pseudobulb by a slender petiole HBG 97472 plants from controlled pollination of Roumloumlsli amp Hoffmann sn collected Dec 1992 Mt de Franccedilais Diego Suarez Madagascar $24

isi 2008ndash24 Operculicarya decaryi h Perrier Some growers may be tempted to duplicate the bonsai form of this spe-cies sometimes seen in shows This requires diligence and if that is lacking O pachypus would be a better choice as it is

22

23

64 CaCtusandsuCCulentJournal

a natural succulent bonsai O decaryi is similar to that species vegetatively but wants to be a tree with a spindle-shaped trunk to 6 m or more tall Within the con-fines of a pot however it is slow-growing and can be maintained within bounds for decades while one appreciates its attrac-tive features the knobby bark delightful deep green to purplish pinnate leaves and eventually the small deep red flowers HBG 97492 plants from seed collected 23 Nov 2005 by Roumloumlsli amp Hoffmann (2305) at Morombe Madagascar $12

isi 2008ndash25 Ornithogalum pruinosum F m LeighTon Succulent leaves can be found on a few members of this genus of mostly South African bulbs and most are excel-lent companions for winter-growing suc-culents and have lovely flowers In the case of O pruinosum these are 2 cm or more in diameter white with yellow pistils and usually bear an olive green spot at the base of each tepal Seedlings from HBG 97489 bulbs collected in Namaqualand S Africa $5

isi 2008ndash26 Othonna retrofracta JACquin This precocious pachycaul packs away photosynthates at an early age to form a plump caudex Later slender branch-es develop atop the caudiciform trunk to form a charmingly awkward adoles-cent stage on the way to forming a small shrublet Commonly labeled O lobata or

24

25

D H

oust

on

K Griffin

D H

oust

on

2008volume80number2 65

O quercifolia O retrofracta is the older name to apply to this widespread Namaqualand species The synonyms imply the variability of the species especially with respect to divi-sion of the leaf into pinnatifid lobes The species is ideally suited to culture in a Mediterranean climate or wherever winter-growing succulents thrive Seedlings from controlled pollination of HBG 65252 plants originally from the Sheilam Nursery in Cape Town $7

isi 2008ndash27 Rauhia decora rAvennA The amaryllidaceous genus Rauhia consists of just three species of succulent-leaved bulbs from the Peruvian Andes R multiflora first described in 1969 is the most widely cultivated The other two are little known and some suggest may be variants of the original species Nevertheless R decora (as the epithet implies) is the most ornamental In addition to bearing the fleshy obovate leaves of the genus these are attractively speckled with silver The greenish funnelform flowers are arranged in umbels as is diagnostic for the family HBG 97490 second-generation seedlings of Paul Hutchison 3799 collected in Peru Dept Amazonas Prov Bagua in the can-yon of the Riacuteo Utcubamba 288 km E of Olmos 820 m $10

isi 2008ndash28 Ruschia tumidula (hAWorTh) sChWAnTes This widespread species from the West Cape of South Africa and north to Namibia grows to be an upright shrub to 60 cm tall In spring its wand-like branches are clothed with bright magenta flowers 2 cm across Rooted cuts of HBG 67594 a 26

27 28

66 CaCtusandsuCCulentJournal

plant from seed collected Aug 1990 by Michael Vassar (MV 6164) 5 km up Rooiberg Pass east of Calitzdorp W Cape S Africa $6

isi 2008ndash29 Sansevieria trifasciata lsquoForescatersquo The Mother-in-lawrsquos Tongue as S trifasciata is commonly called is exceedingly popular around the world as a durable houseplant or landscape subject in the tropics and subtropics Some of its many sports are old standbys of the nursery industry and many of the slower-grow-ing selections are choice collectorrsquos items S lsquoForescatersquo is particularly sought after for its stately leaves of vivid yellow with green margins Divisions of HBG 65341 a plant received from KD Morgenstern via Kew Botanical Gardens in 1989 $35

isi 2008ndash30 Urginea maritima (L) bAker This Mediterranean bulb can achieve massive proportions as large as a volleyball and weighing more than 10 pounds It is a winter grower with a rosette of glaucous sword-shaped leaves to two feet long The bulb clothed in a papery reddish tunic mounds up above the ground with age or can be grown above-ground in a pot In summer the plant is dormant the foliage dried and mostly gone yet the plant reasserts itself in dramatic fashion by producing a flower stalk to 2 m tall the upper third or more being a dense raceme packed with white flowers HBG 97479 plants grown from seed of horticultural origin $5

Additions and Corrections

isi 2004ndash35 Sansevieria patens According to Len Newton (Sansevieria 13 3 2005) the origin and iden-tity of NE Brownrsquos original S patens remains an unsolved mystery Therefore Steve Jankalski (Sansevieria 15 8ndash9 2006) has coined the cultivar name S lsquoEd Ebyrsquo for this plant in honor of the man who rescued the surviv-ing plant from Koko Crater Botanic Garden in Hawaii Jankalski suggests that the plant may be a hybrid of S canaliculata and S pearso-nii two species employed in the USDA breeding program in Florida for developing superior fiber-plants many of which ended up in Koko Crater Alternatively the plant may be an open hybrid of these two species which are also cultivated at Koko Crater Further research will be required to determine the possible hybrid origin of S lsquoEd Ebyrsquo and its parent-age

30

29

62 CaCtusandsuCCulentJournal

isi 2008ndash20 Gasteria lsquoBronze knucklesrsquo TrAger Gasterias are often indiscriminately hybridized in southern California by humming-birds Therefore open-pollinated seed (as opposed to that from controlled pollination) is rarely worth keep-ing or sowing When set on a desirable spe-cies like G armstrongii however one might be tempted to try some That is the history of this new cultivar which appears to be a hybrid of G nitida var arm-strongii and G bicolor var liliputana The lat-

ter species lends its glossiness and dwarf offsetting habit to the dark leaf-color of the former This miniature clumper is deep green in shade but can blush a lovely bronze with more light hence the cultivar name The rosettes of recurved leaves are at first distichous but they later become rosulate Divisions of HBG 97466 one of a batch of mostly true offspring from seed harvested by one of our more pugnacious volunteers whose wings beat nearly as fast as the pollinator $7

isi 2008ndash21 Kalanchoe laxiflo-ra bAker This kalanchoe is vari-able like its commoner relative K fedtschenkoi This particular collection has sharply serrate leaves These can be quite strik-ing when grown in good light as they blush pastel pinkish tones and have teeth boldly outlined with dark purple The species is also variable with regard to flower color which has given rise to a number of subspe-cies now considered synonyms Rooted cuts of HBG 97488 cut-tings collected 23 Oct 1995 by Lavranos (30021) Barad James

20

21

2008volume80number2 63

Kimnach amp Linden ca 105 km N of Fianarantsoa Madagascar $6

isi 2008ndash22 Ledebouria crispa s venTer The genus Ledebouria is familiar to suc-culent collectors through the popular L violacea which has above-ground bulbs and attractively spotted foliage L crispa differs in its dwarf stature and strongly undulate or

ldquocrispedrdquo leaf margins It is known only from hills sur-rounding Pietersburg in the Northern Province of South Africa Though dor-mant in winter the plants have proven completely tolerant of the light frosts and winter rain experi-enced in our shade house Divisions of HBG 81213 a plant from seed of L Lippold 80ndash159 collected 2 Oct 1980 $8

isi 2008ndash23 Oeceoclades petiolata (sChLeChTer) gArAy amp P TAyLor This terrestrial orchid is an understory-denizen of the thorn forests of Madagascar (see prior offerings of this genus 2001ndash2005) Its succulent cordate leaf blade is reminiscent of that of the South African terrestrial Holothrix orchids but is held above the glossy pseudobulb by a slender petiole HBG 97472 plants from controlled pollination of Roumloumlsli amp Hoffmann sn collected Dec 1992 Mt de Franccedilais Diego Suarez Madagascar $24

isi 2008ndash24 Operculicarya decaryi h Perrier Some growers may be tempted to duplicate the bonsai form of this spe-cies sometimes seen in shows This requires diligence and if that is lacking O pachypus would be a better choice as it is

22

23

64 CaCtusandsuCCulentJournal

a natural succulent bonsai O decaryi is similar to that species vegetatively but wants to be a tree with a spindle-shaped trunk to 6 m or more tall Within the con-fines of a pot however it is slow-growing and can be maintained within bounds for decades while one appreciates its attrac-tive features the knobby bark delightful deep green to purplish pinnate leaves and eventually the small deep red flowers HBG 97492 plants from seed collected 23 Nov 2005 by Roumloumlsli amp Hoffmann (2305) at Morombe Madagascar $12

isi 2008ndash25 Ornithogalum pruinosum F m LeighTon Succulent leaves can be found on a few members of this genus of mostly South African bulbs and most are excel-lent companions for winter-growing suc-culents and have lovely flowers In the case of O pruinosum these are 2 cm or more in diameter white with yellow pistils and usually bear an olive green spot at the base of each tepal Seedlings from HBG 97489 bulbs collected in Namaqualand S Africa $5

isi 2008ndash26 Othonna retrofracta JACquin This precocious pachycaul packs away photosynthates at an early age to form a plump caudex Later slender branch-es develop atop the caudiciform trunk to form a charmingly awkward adoles-cent stage on the way to forming a small shrublet Commonly labeled O lobata or

24

25

D H

oust

on

K Griffin

D H

oust

on

2008volume80number2 65

O quercifolia O retrofracta is the older name to apply to this widespread Namaqualand species The synonyms imply the variability of the species especially with respect to divi-sion of the leaf into pinnatifid lobes The species is ideally suited to culture in a Mediterranean climate or wherever winter-growing succulents thrive Seedlings from controlled pollination of HBG 65252 plants originally from the Sheilam Nursery in Cape Town $7

isi 2008ndash27 Rauhia decora rAvennA The amaryllidaceous genus Rauhia consists of just three species of succulent-leaved bulbs from the Peruvian Andes R multiflora first described in 1969 is the most widely cultivated The other two are little known and some suggest may be variants of the original species Nevertheless R decora (as the epithet implies) is the most ornamental In addition to bearing the fleshy obovate leaves of the genus these are attractively speckled with silver The greenish funnelform flowers are arranged in umbels as is diagnostic for the family HBG 97490 second-generation seedlings of Paul Hutchison 3799 collected in Peru Dept Amazonas Prov Bagua in the can-yon of the Riacuteo Utcubamba 288 km E of Olmos 820 m $10

isi 2008ndash28 Ruschia tumidula (hAWorTh) sChWAnTes This widespread species from the West Cape of South Africa and north to Namibia grows to be an upright shrub to 60 cm tall In spring its wand-like branches are clothed with bright magenta flowers 2 cm across Rooted cuts of HBG 67594 a 26

27 28

66 CaCtusandsuCCulentJournal

plant from seed collected Aug 1990 by Michael Vassar (MV 6164) 5 km up Rooiberg Pass east of Calitzdorp W Cape S Africa $6

isi 2008ndash29 Sansevieria trifasciata lsquoForescatersquo The Mother-in-lawrsquos Tongue as S trifasciata is commonly called is exceedingly popular around the world as a durable houseplant or landscape subject in the tropics and subtropics Some of its many sports are old standbys of the nursery industry and many of the slower-grow-ing selections are choice collectorrsquos items S lsquoForescatersquo is particularly sought after for its stately leaves of vivid yellow with green margins Divisions of HBG 65341 a plant received from KD Morgenstern via Kew Botanical Gardens in 1989 $35

isi 2008ndash30 Urginea maritima (L) bAker This Mediterranean bulb can achieve massive proportions as large as a volleyball and weighing more than 10 pounds It is a winter grower with a rosette of glaucous sword-shaped leaves to two feet long The bulb clothed in a papery reddish tunic mounds up above the ground with age or can be grown above-ground in a pot In summer the plant is dormant the foliage dried and mostly gone yet the plant reasserts itself in dramatic fashion by producing a flower stalk to 2 m tall the upper third or more being a dense raceme packed with white flowers HBG 97479 plants grown from seed of horticultural origin $5

Additions and Corrections

isi 2004ndash35 Sansevieria patens According to Len Newton (Sansevieria 13 3 2005) the origin and iden-tity of NE Brownrsquos original S patens remains an unsolved mystery Therefore Steve Jankalski (Sansevieria 15 8ndash9 2006) has coined the cultivar name S lsquoEd Ebyrsquo for this plant in honor of the man who rescued the surviv-ing plant from Koko Crater Botanic Garden in Hawaii Jankalski suggests that the plant may be a hybrid of S canaliculata and S pearso-nii two species employed in the USDA breeding program in Florida for developing superior fiber-plants many of which ended up in Koko Crater Alternatively the plant may be an open hybrid of these two species which are also cultivated at Koko Crater Further research will be required to determine the possible hybrid origin of S lsquoEd Ebyrsquo and its parent-age

30

29

2008volume80number2 63

Kimnach amp Linden ca 105 km N of Fianarantsoa Madagascar $6

isi 2008ndash22 Ledebouria crispa s venTer The genus Ledebouria is familiar to suc-culent collectors through the popular L violacea which has above-ground bulbs and attractively spotted foliage L crispa differs in its dwarf stature and strongly undulate or

ldquocrispedrdquo leaf margins It is known only from hills sur-rounding Pietersburg in the Northern Province of South Africa Though dor-mant in winter the plants have proven completely tolerant of the light frosts and winter rain experi-enced in our shade house Divisions of HBG 81213 a plant from seed of L Lippold 80ndash159 collected 2 Oct 1980 $8

isi 2008ndash23 Oeceoclades petiolata (sChLeChTer) gArAy amp P TAyLor This terrestrial orchid is an understory-denizen of the thorn forests of Madagascar (see prior offerings of this genus 2001ndash2005) Its succulent cordate leaf blade is reminiscent of that of the South African terrestrial Holothrix orchids but is held above the glossy pseudobulb by a slender petiole HBG 97472 plants from controlled pollination of Roumloumlsli amp Hoffmann sn collected Dec 1992 Mt de Franccedilais Diego Suarez Madagascar $24

isi 2008ndash24 Operculicarya decaryi h Perrier Some growers may be tempted to duplicate the bonsai form of this spe-cies sometimes seen in shows This requires diligence and if that is lacking O pachypus would be a better choice as it is

22

23

64 CaCtusandsuCCulentJournal

a natural succulent bonsai O decaryi is similar to that species vegetatively but wants to be a tree with a spindle-shaped trunk to 6 m or more tall Within the con-fines of a pot however it is slow-growing and can be maintained within bounds for decades while one appreciates its attrac-tive features the knobby bark delightful deep green to purplish pinnate leaves and eventually the small deep red flowers HBG 97492 plants from seed collected 23 Nov 2005 by Roumloumlsli amp Hoffmann (2305) at Morombe Madagascar $12

isi 2008ndash25 Ornithogalum pruinosum F m LeighTon Succulent leaves can be found on a few members of this genus of mostly South African bulbs and most are excel-lent companions for winter-growing suc-culents and have lovely flowers In the case of O pruinosum these are 2 cm or more in diameter white with yellow pistils and usually bear an olive green spot at the base of each tepal Seedlings from HBG 97489 bulbs collected in Namaqualand S Africa $5

isi 2008ndash26 Othonna retrofracta JACquin This precocious pachycaul packs away photosynthates at an early age to form a plump caudex Later slender branch-es develop atop the caudiciform trunk to form a charmingly awkward adoles-cent stage on the way to forming a small shrublet Commonly labeled O lobata or

24

25

D H

oust

on

K Griffin

D H

oust

on

2008volume80number2 65

O quercifolia O retrofracta is the older name to apply to this widespread Namaqualand species The synonyms imply the variability of the species especially with respect to divi-sion of the leaf into pinnatifid lobes The species is ideally suited to culture in a Mediterranean climate or wherever winter-growing succulents thrive Seedlings from controlled pollination of HBG 65252 plants originally from the Sheilam Nursery in Cape Town $7

isi 2008ndash27 Rauhia decora rAvennA The amaryllidaceous genus Rauhia consists of just three species of succulent-leaved bulbs from the Peruvian Andes R multiflora first described in 1969 is the most widely cultivated The other two are little known and some suggest may be variants of the original species Nevertheless R decora (as the epithet implies) is the most ornamental In addition to bearing the fleshy obovate leaves of the genus these are attractively speckled with silver The greenish funnelform flowers are arranged in umbels as is diagnostic for the family HBG 97490 second-generation seedlings of Paul Hutchison 3799 collected in Peru Dept Amazonas Prov Bagua in the can-yon of the Riacuteo Utcubamba 288 km E of Olmos 820 m $10

isi 2008ndash28 Ruschia tumidula (hAWorTh) sChWAnTes This widespread species from the West Cape of South Africa and north to Namibia grows to be an upright shrub to 60 cm tall In spring its wand-like branches are clothed with bright magenta flowers 2 cm across Rooted cuts of HBG 67594 a 26

27 28

66 CaCtusandsuCCulentJournal

plant from seed collected Aug 1990 by Michael Vassar (MV 6164) 5 km up Rooiberg Pass east of Calitzdorp W Cape S Africa $6

isi 2008ndash29 Sansevieria trifasciata lsquoForescatersquo The Mother-in-lawrsquos Tongue as S trifasciata is commonly called is exceedingly popular around the world as a durable houseplant or landscape subject in the tropics and subtropics Some of its many sports are old standbys of the nursery industry and many of the slower-grow-ing selections are choice collectorrsquos items S lsquoForescatersquo is particularly sought after for its stately leaves of vivid yellow with green margins Divisions of HBG 65341 a plant received from KD Morgenstern via Kew Botanical Gardens in 1989 $35

isi 2008ndash30 Urginea maritima (L) bAker This Mediterranean bulb can achieve massive proportions as large as a volleyball and weighing more than 10 pounds It is a winter grower with a rosette of glaucous sword-shaped leaves to two feet long The bulb clothed in a papery reddish tunic mounds up above the ground with age or can be grown above-ground in a pot In summer the plant is dormant the foliage dried and mostly gone yet the plant reasserts itself in dramatic fashion by producing a flower stalk to 2 m tall the upper third or more being a dense raceme packed with white flowers HBG 97479 plants grown from seed of horticultural origin $5

Additions and Corrections

isi 2004ndash35 Sansevieria patens According to Len Newton (Sansevieria 13 3 2005) the origin and iden-tity of NE Brownrsquos original S patens remains an unsolved mystery Therefore Steve Jankalski (Sansevieria 15 8ndash9 2006) has coined the cultivar name S lsquoEd Ebyrsquo for this plant in honor of the man who rescued the surviv-ing plant from Koko Crater Botanic Garden in Hawaii Jankalski suggests that the plant may be a hybrid of S canaliculata and S pearso-nii two species employed in the USDA breeding program in Florida for developing superior fiber-plants many of which ended up in Koko Crater Alternatively the plant may be an open hybrid of these two species which are also cultivated at Koko Crater Further research will be required to determine the possible hybrid origin of S lsquoEd Ebyrsquo and its parent-age

30

29

64 CaCtusandsuCCulentJournal

a natural succulent bonsai O decaryi is similar to that species vegetatively but wants to be a tree with a spindle-shaped trunk to 6 m or more tall Within the con-fines of a pot however it is slow-growing and can be maintained within bounds for decades while one appreciates its attrac-tive features the knobby bark delightful deep green to purplish pinnate leaves and eventually the small deep red flowers HBG 97492 plants from seed collected 23 Nov 2005 by Roumloumlsli amp Hoffmann (2305) at Morombe Madagascar $12

isi 2008ndash25 Ornithogalum pruinosum F m LeighTon Succulent leaves can be found on a few members of this genus of mostly South African bulbs and most are excel-lent companions for winter-growing suc-culents and have lovely flowers In the case of O pruinosum these are 2 cm or more in diameter white with yellow pistils and usually bear an olive green spot at the base of each tepal Seedlings from HBG 97489 bulbs collected in Namaqualand S Africa $5

isi 2008ndash26 Othonna retrofracta JACquin This precocious pachycaul packs away photosynthates at an early age to form a plump caudex Later slender branch-es develop atop the caudiciform trunk to form a charmingly awkward adoles-cent stage on the way to forming a small shrublet Commonly labeled O lobata or

24

25

D H

oust

on

K Griffin

D H

oust

on

2008volume80number2 65

O quercifolia O retrofracta is the older name to apply to this widespread Namaqualand species The synonyms imply the variability of the species especially with respect to divi-sion of the leaf into pinnatifid lobes The species is ideally suited to culture in a Mediterranean climate or wherever winter-growing succulents thrive Seedlings from controlled pollination of HBG 65252 plants originally from the Sheilam Nursery in Cape Town $7

isi 2008ndash27 Rauhia decora rAvennA The amaryllidaceous genus Rauhia consists of just three species of succulent-leaved bulbs from the Peruvian Andes R multiflora first described in 1969 is the most widely cultivated The other two are little known and some suggest may be variants of the original species Nevertheless R decora (as the epithet implies) is the most ornamental In addition to bearing the fleshy obovate leaves of the genus these are attractively speckled with silver The greenish funnelform flowers are arranged in umbels as is diagnostic for the family HBG 97490 second-generation seedlings of Paul Hutchison 3799 collected in Peru Dept Amazonas Prov Bagua in the can-yon of the Riacuteo Utcubamba 288 km E of Olmos 820 m $10

isi 2008ndash28 Ruschia tumidula (hAWorTh) sChWAnTes This widespread species from the West Cape of South Africa and north to Namibia grows to be an upright shrub to 60 cm tall In spring its wand-like branches are clothed with bright magenta flowers 2 cm across Rooted cuts of HBG 67594 a 26

27 28

66 CaCtusandsuCCulentJournal

plant from seed collected Aug 1990 by Michael Vassar (MV 6164) 5 km up Rooiberg Pass east of Calitzdorp W Cape S Africa $6

isi 2008ndash29 Sansevieria trifasciata lsquoForescatersquo The Mother-in-lawrsquos Tongue as S trifasciata is commonly called is exceedingly popular around the world as a durable houseplant or landscape subject in the tropics and subtropics Some of its many sports are old standbys of the nursery industry and many of the slower-grow-ing selections are choice collectorrsquos items S lsquoForescatersquo is particularly sought after for its stately leaves of vivid yellow with green margins Divisions of HBG 65341 a plant received from KD Morgenstern via Kew Botanical Gardens in 1989 $35

isi 2008ndash30 Urginea maritima (L) bAker This Mediterranean bulb can achieve massive proportions as large as a volleyball and weighing more than 10 pounds It is a winter grower with a rosette of glaucous sword-shaped leaves to two feet long The bulb clothed in a papery reddish tunic mounds up above the ground with age or can be grown above-ground in a pot In summer the plant is dormant the foliage dried and mostly gone yet the plant reasserts itself in dramatic fashion by producing a flower stalk to 2 m tall the upper third or more being a dense raceme packed with white flowers HBG 97479 plants grown from seed of horticultural origin $5

Additions and Corrections

isi 2004ndash35 Sansevieria patens According to Len Newton (Sansevieria 13 3 2005) the origin and iden-tity of NE Brownrsquos original S patens remains an unsolved mystery Therefore Steve Jankalski (Sansevieria 15 8ndash9 2006) has coined the cultivar name S lsquoEd Ebyrsquo for this plant in honor of the man who rescued the surviv-ing plant from Koko Crater Botanic Garden in Hawaii Jankalski suggests that the plant may be a hybrid of S canaliculata and S pearso-nii two species employed in the USDA breeding program in Florida for developing superior fiber-plants many of which ended up in Koko Crater Alternatively the plant may be an open hybrid of these two species which are also cultivated at Koko Crater Further research will be required to determine the possible hybrid origin of S lsquoEd Ebyrsquo and its parent-age

30

29

2008volume80number2 65

O quercifolia O retrofracta is the older name to apply to this widespread Namaqualand species The synonyms imply the variability of the species especially with respect to divi-sion of the leaf into pinnatifid lobes The species is ideally suited to culture in a Mediterranean climate or wherever winter-growing succulents thrive Seedlings from controlled pollination of HBG 65252 plants originally from the Sheilam Nursery in Cape Town $7

isi 2008ndash27 Rauhia decora rAvennA The amaryllidaceous genus Rauhia consists of just three species of succulent-leaved bulbs from the Peruvian Andes R multiflora first described in 1969 is the most widely cultivated The other two are little known and some suggest may be variants of the original species Nevertheless R decora (as the epithet implies) is the most ornamental In addition to bearing the fleshy obovate leaves of the genus these are attractively speckled with silver The greenish funnelform flowers are arranged in umbels as is diagnostic for the family HBG 97490 second-generation seedlings of Paul Hutchison 3799 collected in Peru Dept Amazonas Prov Bagua in the can-yon of the Riacuteo Utcubamba 288 km E of Olmos 820 m $10

isi 2008ndash28 Ruschia tumidula (hAWorTh) sChWAnTes This widespread species from the West Cape of South Africa and north to Namibia grows to be an upright shrub to 60 cm tall In spring its wand-like branches are clothed with bright magenta flowers 2 cm across Rooted cuts of HBG 67594 a 26

27 28

66 CaCtusandsuCCulentJournal

plant from seed collected Aug 1990 by Michael Vassar (MV 6164) 5 km up Rooiberg Pass east of Calitzdorp W Cape S Africa $6

isi 2008ndash29 Sansevieria trifasciata lsquoForescatersquo The Mother-in-lawrsquos Tongue as S trifasciata is commonly called is exceedingly popular around the world as a durable houseplant or landscape subject in the tropics and subtropics Some of its many sports are old standbys of the nursery industry and many of the slower-grow-ing selections are choice collectorrsquos items S lsquoForescatersquo is particularly sought after for its stately leaves of vivid yellow with green margins Divisions of HBG 65341 a plant received from KD Morgenstern via Kew Botanical Gardens in 1989 $35

isi 2008ndash30 Urginea maritima (L) bAker This Mediterranean bulb can achieve massive proportions as large as a volleyball and weighing more than 10 pounds It is a winter grower with a rosette of glaucous sword-shaped leaves to two feet long The bulb clothed in a papery reddish tunic mounds up above the ground with age or can be grown above-ground in a pot In summer the plant is dormant the foliage dried and mostly gone yet the plant reasserts itself in dramatic fashion by producing a flower stalk to 2 m tall the upper third or more being a dense raceme packed with white flowers HBG 97479 plants grown from seed of horticultural origin $5

Additions and Corrections

isi 2004ndash35 Sansevieria patens According to Len Newton (Sansevieria 13 3 2005) the origin and iden-tity of NE Brownrsquos original S patens remains an unsolved mystery Therefore Steve Jankalski (Sansevieria 15 8ndash9 2006) has coined the cultivar name S lsquoEd Ebyrsquo for this plant in honor of the man who rescued the surviv-ing plant from Koko Crater Botanic Garden in Hawaii Jankalski suggests that the plant may be a hybrid of S canaliculata and S pearso-nii two species employed in the USDA breeding program in Florida for developing superior fiber-plants many of which ended up in Koko Crater Alternatively the plant may be an open hybrid of these two species which are also cultivated at Koko Crater Further research will be required to determine the possible hybrid origin of S lsquoEd Ebyrsquo and its parent-age

30

29

66 CaCtusandsuCCulentJournal

plant from seed collected Aug 1990 by Michael Vassar (MV 6164) 5 km up Rooiberg Pass east of Calitzdorp W Cape S Africa $6

isi 2008ndash29 Sansevieria trifasciata lsquoForescatersquo The Mother-in-lawrsquos Tongue as S trifasciata is commonly called is exceedingly popular around the world as a durable houseplant or landscape subject in the tropics and subtropics Some of its many sports are old standbys of the nursery industry and many of the slower-grow-ing selections are choice collectorrsquos items S lsquoForescatersquo is particularly sought after for its stately leaves of vivid yellow with green margins Divisions of HBG 65341 a plant received from KD Morgenstern via Kew Botanical Gardens in 1989 $35

isi 2008ndash30 Urginea maritima (L) bAker This Mediterranean bulb can achieve massive proportions as large as a volleyball and weighing more than 10 pounds It is a winter grower with a rosette of glaucous sword-shaped leaves to two feet long The bulb clothed in a papery reddish tunic mounds up above the ground with age or can be grown above-ground in a pot In summer the plant is dormant the foliage dried and mostly gone yet the plant reasserts itself in dramatic fashion by producing a flower stalk to 2 m tall the upper third or more being a dense raceme packed with white flowers HBG 97479 plants grown from seed of horticultural origin $5

Additions and Corrections

isi 2004ndash35 Sansevieria patens According to Len Newton (Sansevieria 13 3 2005) the origin and iden-tity of NE Brownrsquos original S patens remains an unsolved mystery Therefore Steve Jankalski (Sansevieria 15 8ndash9 2006) has coined the cultivar name S lsquoEd Ebyrsquo for this plant in honor of the man who rescued the surviv-ing plant from Koko Crater Botanic Garden in Hawaii Jankalski suggests that the plant may be a hybrid of S canaliculata and S pearso-nii two species employed in the USDA breeding program in Florida for developing superior fiber-plants many of which ended up in Koko Crater Alternatively the plant may be an open hybrid of these two species which are also cultivated at Koko Crater Further research will be required to determine the possible hybrid origin of S lsquoEd Ebyrsquo and its parent-age

30

29