widest part of leaf widest part of leaf stalk where blade attaches to stem stalk where blade...
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Plant Identification Vocabulary
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BLADE
Widest part of leaf
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PETIOLEStalk where blade
attaches to stem
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LEAF BASEShape of leaf where it attaches to petiole
Triangle
Round
Heart
Straight
Uneven
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NODE or BUDPoint where petiole attaches to stem
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BROAD LEAFRegular, deciduous leaves with a wide
blade
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NARROW LEAFSlender leaves, needles or scales
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LEAF ARRANGEMENT orLEAF ATTACHMENTPattern which leaves are attached to
stemAlternate
Opposite
Whorled
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LEAF DIVISIONSimple OR Single leaf
Compound OR multiple leaflets
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SIMPLE LEAF
Single Leaf
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COMPOUND LEAFHaving more than one blade
Made of leaflets
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LEAFLETSMany small leaves
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PALMATELY COMPOUND
Made of 3 or more leaflets
In the shape of a hand
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PINNATELY COMPOUNDLeaflets attached to
along a central stalk
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LOBERounded projection of leaf
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LEAF EDGE or LEAF MARGINEdge of leaf
Smooth (entire)
Toothed Serrate / saw toothed
Double serrate / double saw toothed
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VENATIONParallel – veins run parallel to each
other
Pinnate – veins run off of a single vein
Palmate – veins come from a single point like the palm of your hand