Bayabas and Tsaang-Gubat

Leal, Bianca Ginette A.Lee, Myzylyn L.

Lee, Nel Muriel B.Mercado, Michelle Marie T.

Ph Ch 128 – 2

BAYABAS / GUAVA

Common Names:Guayabas (Tag.)

Kalimbahin (Tag.)Tayabas (Tag.)

Botanical Origin

• Genus: Psidium• Species: guajava• Author: Linnaeus (Linn.)• Family: Myrtaceae

Plant Description

• Height: 8 meters• Tree / shrub / herb: tree • Odoriferous• Dicot / monocot: dicot

Parts and Their Corresponding Uses•Leaves:–Decoction:

•for washing ulcers and wounds•vaginal and uterine wash

–Chewed: •toothache remedy

–Ground: • poultice

–Infusion:•cerebral affection •nephritis •cachexia

Parts and Their Corresponding Uses–Pounded: (topical)

•Rheumatism •Epilepsy •Chorea

– tincture •Convulsions

–Antipruitic –Astringent

•Bark and leaves–antidiarrhetic

Parts and Their Corresponding Uses•Young shoots and leaves– febrifuge –antispasmodic baths

•Root and bark–for chronic diarrhea

•Fruit–anthelmintic –Jelly:

•Heart tonic •Relieves constipation

–astringent –diabetes

•Flower– coagulant

Pictures of the Different Plant Parts

Leaves

Leaves

• Oblong to elliptic• 5 – 12 cm long• Opposite• Dull-green• Apex: pointed• Base: rounded• Petioles present (4 – 7 mm) • Stipules absent• Netted

Stem

Stem

• Smooth• Mottled green or reddish brown• Peels off in thin flakes

- Reveals the “bony” aspect of its trunk• With secretory cavities and internal phloem in

the pith

Roots

Roots

• Without root hairs• Not fleshy

Flower

Image retrieved from http://www.flickr.com/photos/dunkinjalki/3915442788/

Flower

• White• 3 – 3.5 cm across• Solitary• 4 – 5 sepals• 4 – 5 petals• ∞ stamens• Symmetry: actinomorphic

Fruit

Fruit

• Berry• Rounded, ovoid or obovoid• 4 – 9 cm long• Exocarp: pale green to bright yellow• Mesocarp: white, fleshy and embedded with

many seeds• Placentation: axile• Syncarpous, 2 – 5 carpels

Seeds

• Small (3 – 5 mm)• Hard• Reniform• Yellowish

TSAANG-GUBAT

Common Names:Alangitngit (Tag., Bis.)

Tsa (Tag.)

Botanical Origin

• Genus: Ehretia• Species: microphylla• Author: Lamarck (Lam.)• Family: Boranginaceae

Plant Description

• Height: 1 to 4 meters• Tree / shrub / herb: erect, much-branched

shrub• odoriferous• Dicot

Plant Description

• Leaves: •simple obovate to oblong-obovate •1 to 6cm long•occur in clusters on short branches and arranged alternately• entire/toothed/lobed near the apex, narrow and pointed at the base •petioles 0.1 to 0.5 cm, stipules absent •Netted, rough

leaves

Plant Description

• Stems:• hispid• With buds or short shoots which produce clusters of leaves and inflorescences

• Roots:

Plant Description• Flowers: • axillary or solitary • 2 to 4 on a common stalk , pedicelled• green sepals with linear lobes and densely hairy inside• white corolla divided into oblong lobes• 4-5 stamens with filaments 2.5-3.5mm long while anthers are oblong• has 4 carpels with expanded stigmas, ovary is superior, spherical with deeply bifid style • actinomorphic • receptacle present, bract absent

flower

Plant Description

• Fruits: •Red or yellow, round, fleshy, four-seeded drupe, stony inside

• Seeds: •hard, round, white or transluscent•slightly curved embryo embedded in thin albumen •cotyledons are leafy and green• elongated hypocotyl

fruit

Parts and Their Corresponding UsesPART USE1. Leaves - tea: stomachic

- Decoction:1) tea-substitute2) Diarrhea with bloody discharge3) Dysentry4) Cough cure5) In secondary and constitutional syphilitic

affections

- Boiled and dried: for stomach trouble- Infusion: fever

PART USE2. Bark - Has a glucoside3. Roots - Cachexia

- Syphilis- Antidote (vegetable

poisons)- In labor

Sources• BUREAU OF PLANT INDUSTRY. Bayabas [online]. Retrieved from

http://www.bpi.da.gov.ph/Publications/mp/pdf/b/bayabas.pdf [16 November 2010].

• CALIFORNIA RARE FRUIT GROWERS, INC. Tropical Guava: Fruit Facts [online]. Retrieved from http://www.crfg.org/pubs/ff/guava.html [16 November 2010].

• CASTRO, I.R., 2006. A Guide to Families of Common Flowering Plants in the Philippines. UP Campus, Diliman: UP Press, 48.

• DOIJODE, S.D., 2001. Seed Storage of Horticultural Crops. New York: The Haworth Press Inc., 65.

• SIMPSON, M. G., 2006. Plant Systematics. Canada: Elsevier Inc., 256-259. • QUISUMBING, E. 1978. Medicinal Plants of the Philippines. Philppines: JMC Press

Inc., 664-665, 773.• US FOREST SERVICE. Psidium guajava [online]. Retrieved from

http://www.fs.fed.us/global/iitf/pdf/shrubs/Psidium%20guajava.pdf [17 November 2010].