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

A

peach shaped. pinnate veination

Q

acuminate

A

most pointy, short leaf apex

Q

acute

A

pointy, short leaf apex

Q

caudate

A

long and thin apex, like a tail

Q

aristate

A

long and thick apex

Q

cleft

A

deep furrowed apex

Q

emarginate

A

narrowly furrowed apex

Q

obcordate

A

bum-shaped apex

Q

obtuse

A

leaf forming a wide-angled apex

Q

retuse

A

small bum-shaped apex

Q

rounded

A

rounded apex

Q

spinose

A

apex with a spine

Q

truncate

A

flat apex

Q

divided

A

leaf margin with divided veins

Q

entire

A

smooth leaf margin

Q

erose

A

leaf margin that looks like it was dipped in acid

Q

incised

A

leaf margin with deep, sharp cuts in it

Q

lobed

A

oak style leaf margin

Q

serrate

A

serrated leaf margin

Q

serrulate

A

small serrations on the leaf margin

Q

dentate

A

leaf margin that looks like bite marks