Leaf shapes and apices Flashcards by Curtis Drake

Q

acicular

A

needle-like

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Q

deltiod

A

triangle-shaped

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Q

elliptic

A

normal leaf shape with a normal point

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Q

filiform

A

near needle-like

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Q

lanceolate

A

shaped like the tip of a lance or a spade on a card deck

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Q

linear

A

fatter than filiform, but still long and skinny

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Q

obdeltiod

A

upside-down triangle

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Q

oblanceolate

A

upside-down lance shape

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Q

oblong

A

fatter than filiform. Rectangle shape

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Q

obovate

A

upside-down egg shape

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Q

orbiculate

A

circle

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Q

ovate

A

egg-shaped

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Q

reniform

A

shaped like a kidney. non-pinnate veination

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Q

sagittate

A

arrow-shaped

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Q

spatulate

A

fatter near terminal end

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Q

widely ovate

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A

peach shaped. pinnate veination

Q

acuminate

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A

most pointy, short leaf apex

Q

acute

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A

pointy, short leaf apex

Q

caudate

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A

long and thin apex, like a tail

Q

aristate

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A

long and thick apex

Q

cleft

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A

deep furrowed apex

Q

emarginate

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A

narrowly furrowed apex

Q

obcordate

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A

bum-shaped apex

Q

obtuse

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A

leaf forming a wide-angled apex

retuse

small bum-shaped apex

rounded

rounded apex

spinose

apex with a spine

truncate

flat apex

divided

leaf margin with divided veins

entire

smooth leaf margin

erose

leaf margin that looks like it was dipped in acid

incised

leaf margin with deep, sharp cuts in it

lobed

oak style leaf margin

serrate

serrated leaf margin

serrulate

small serrations on the leaf margin

dentate

leaf margin that looks like bite marks