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LEAF MORPHOLOGY

LEAF MORPHOLOGY. leaf sheath Dicotyledonous leaf Monocotyledonous leaf leaf apex leaf margin blade/lamina leaf vein petiole stipule ligule auricle abscission

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Text of LEAF MORPHOLOGY. leaf sheath Dicotyledonous leaf Monocotyledonous leaf leaf apex leaf margin...

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  • LEAF MORPHOLOGY
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  • leaf sheath Dicotyledonous leaf Monocotyledonous leaf leaf apex leaf margin blade/lamina leaf vein petiole stipule ligule auricle abscission zone midrib lamina
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  • cylindrical grooved pulvinus swollen leaf base pseudobulb winged petiole phyllode PETIOLE
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  • PHYLLODES
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  • auriculate perfoliateconnate SESSILE LEAVES (without petiole)
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  • SESSILE LEAVES
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  • pinnately netted palmately netted parallel penni p arallel DICOT reticulate/ netted MONOCOT LEAF VENATION
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  • SIMPLE LEAVES palmately lobed pinnately lobed
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  • multifoliat e leaflet petiolule petiole bifoliate trifoliate simple leaf (palmately - lobed) e.g. ubi gajah PALMATE LEAVES
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  • odd pinnate/imparipinnate bipinnate tripinnate petiolule even pinnate/paripinnate rachis rachilla leaflet rachis petiole PINNATE LEAVES
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  • Odd pinnate Palmate (multifoliate)
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  • alternate spiral opposite whorled LEAF ARRANGEMENT (PHYLLOTAXY)
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  • opposite whorled
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  • spiralalternate
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  • interpetiolar stipule
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  • spathulate LEAF SHAPES oblong lanceolate elliptic ovate obovate cordate acicular linear reniform
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  • peltate orbiculate oblanceolate rhombic obcordate obdeltoid deltoid cuneate hastatesagittate LEAF SHAPES
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  • entire undulate (sinuate) incised retrorsecrenate denticulate dentateserrulate serrate crenulate LEAF MARGINS
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  • LEAF APICES acuminateacuteapiculatearistatecaudatecirrhose obcordat e mucronulat e mucronateemarginatecuspidatecleft obtuse retuseroundedspinose truncate A A B C B B C C A = CURLED, FLEXOUSB = STIFF, STRAIGHTC = NOTCHED C
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  • LEAF BASES attenuate cuneate auriculatecordate sagittate obtusetruncate rounded unequal (oblique) hastate