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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
cylindrical grooved pulvinus swollen leaf base pseudobulb winged petiole phyllode PETIOLE
auriculate perfoliateconnate SESSILE LEAVES (without petiole)
pinnately netted palmately netted parallel penni p arallel DICOT reticulate/ netted MONOCOT LEAF VENATION
SIMPLE LEAVES palmately lobed pinnately lobed
multifoliat e leaflet petiolule petiole bifoliate trifoliate simple leaf (palmately - lobed) e.g. ubi gajah PALMATE LEAVES
odd pinnate/imparipinnate bipinnate tripinnate petiolule even pinnate/paripinnate rachis rachilla leaflet rachis petiole PINNATE LEAVES
Odd pinnate Palmate (multifoliate)
alternate spiral opposite whorled LEAF ARRANGEMENT (PHYLLOTAXY)
spathulate LEAF SHAPES oblong lanceolate elliptic ovate obovate cordate acicular linear reniform
peltate orbiculate oblanceolate rhombic obcordate obdeltoid deltoid cuneate hastatesagittate LEAF SHAPES
entire undulate (sinuate) incised retrorsecrenate denticulate dentateserrulate serrate crenulate LEAF MARGINS
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
LEAF BASES attenuate cuneate auriculatecordate sagittate obtusetruncate rounded unequal (oblique) hastate
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