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Published byMaryann Ball
Modified over 2 years ago
Monocotyledonous leafleaf sheath Dicotyledonous leaf Monocotyledonous leaf leaf apex leaf margin blade/lamina leaf vein petiole stipule ligule auricle abscission zone midrib lamina
PETIOLE cylindrical grooved phyllode winged petiole swollen leaf basepulvinus swollen leaf base pseudobulb winged petiole phyllode PETIOLE
SESSILE LEAVES (without petiole)connate perfoliate auriculate
LEAF VENATION DICOT reticulate/ netted MONOCOT pinnately nettedpalmately netted parallel penni parallel DICOT reticulate/ netted MONOCOT LEAF VENATION
SIMPLE LEAVES palmately lobed pinnately lobed
PALMATE LEAVES trifoliate multifoliate bifoliate simple leaf leafletpetiolule petiole multifoliate bifoliate simple leaf (palmately - lobed) e.g. ubi gajah
PINNATE LEAVES leaflet petiolule petiole odd pinnate/imparipinnatebipinnate tripinnate petiolule even pinnate/paripinnate rachis rachilla leaflet petiole PINNATE LEAVES
Palmate (multifoliate)Odd pinnate Palmate (multifoliate)
LEAF ARRANGEMENT (PHYLLOTAXY)alternate spiral opposite whorled
LEAF SHAPES spathulate oblong lanceolate elliptic ovate obovatecordate acicular linear reniform
LEAF SHAPES peltate orbiculate oblanceolate rhombic obcordateobdeltoid deltoid cuneate hastate sagittate LEAF SHAPES
LEAF MARGINS entire undulate (sinuate) incised retrorse crenatecrenulate serrate denticulate serrulate dentate
LEAF APICES A B C acuminate acute apiculate aristate caudate cirrhoseobcordate mucronulate mucronate emarginate cuspidate cleft obtuse retuse rounded spinose truncate A B C A = CURLED, FLEXOUS B = STIFF, STRAIGHT C = NOTCHED
LEAF BASES cuneate attenuate auriculate cordate sagittateunequal (oblique) rounded hastate truncate obtuse
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Widest part of leaf Widest part of leaf Stalk where blade attaches to stem Stalk where blade attaches to stem.
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