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Lecture Leaf Shapes Terminology
identify leaf shapes from pictures
15
Biology
Undergraduate 1
08/29/2010

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Term
[image][image][image]
Definition
awl-shaped: short, stiff, and tapering to a point
Term
[image][image][image][image][image]
Definition
scale-like: small and overlapping
Term
[image][image][image]
Definition
needlelike: long, thin, and pointy (pines)
Term
[image][image][image]
Definition
linear (firs and spruces)
Term
[image][image][image][image]
Definition
lanceolate: much longer than wide and widest at base (willows and cherries)
Term
[image][image][image]
Definition
oblanceolate: much longer than wide and widest near the top
Term
[image][image][image]
Definition
elliptical: widest in the middle (elms)
Term
[image][image][image]
Definition
ovate: egg-shaped with the widest part just below the middle: (birches)
Term
[image][image][image]
Definition
obovate: egg-shaped with the widest part just above the middle
Term
[image][image][image]
Definition
spatulate: shaped like a spatula (barberry)
Term
[image][image][image]
Definition
oval: broadly elliptical with the width being greater than 1/2 the length (dogwoods)
Term
[image][image][image]
Definition
cordate/heart-shaped (basswoods)
Term
[image][image]
Definition
orbicular: circular or nearly so
Term
[image][image]
Definition
oblong: longer than wide with parallel margins-for deciduous leaves
Term
[image][image][image]
Definition
deltoid: triangular shaped (aspens and cottonwoods)
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