FRUITS | Types

Leaf Morphology: Bases

the shape of the end of the leaf where the petiole attaches

Cuneate	wedge-shaped, tapering evenly to a narrow base
Acute	shaped like an acute angle
Cordate	heart-shaped, inversely indented
Inequilateral	asymmetrical if folded along the petiole, also called oblique
Obtuse	blunt, narrowly rounded
Rounded	a full sweeping arc
Truncate	cut off at right angles to the midrib
Auriculate	earlike lobes pointing toward the petiole

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Cuneate

wedge-shaped, tapering evenly to a narrow base

Acute

shaped like an acute angle

Cordate

heart-shaped, inversely indented

Inequilateral

asymmetrical if folded along the petiole, also called oblique

Obtuse

blunt, narrowly rounded

Rounded

a full sweeping arc

Truncate

cut off at right angles to the midrib

Auriculate

earlike lobes pointing toward the petiole

All definitions are from J. W. Hardin, D. J. Leopold, and F. M. White. (2001). Harlow & Harrar's Textbook of Dendrology. Ninth edition. McGraw Hill, New York, New York, 534 pp. ISBN: 0073661716.