"Crenae.--Notches, or round teeth, bordering a leaf or the petals of a flower." -Newman, 1850
A leaf in a wedge shape. Truncate at one end and tapering to a point at another.
A wedge-shaped leaf, tapering gradually to the base.
A leaf divided into a number of compound divisions.
A sessile leaf having its base extending downward along the stem.
"Decurrent.--When leaves run down the stem to a point considerably below the place where they diverge…
A trowel or triangular shaped leaf.
A toothed leaf.
A leaf having deep radiating divisions, like fingers.
"Digitate.--Having the form of an open hand." -Newman, 1850
A leaf which resembles a hand spreading its fingers.
This is an example of a pinnately divided leaf.
This is an example of a palmately divided leaf.
"Elliptic.--Nearly oval, but of equal breadth at each end." -Newman, 1850
A leaf in the shape of a fan.
A fiddle-shaped leaf.
"Fork-veined leaves are those in which the primary veins divide into two nearly equal secondary veins,…
"Hastate.--Formed like the head of an ancient halbert." -Newman, 1850
A hastate leaf that is triangular in shape with basal lobes.
Also known as Dolabriform. A leaf in the shape of an axe.
"Imbricate.--When leaves are laid one over another, like tiles on a roof, they are said to be imbricated."…
"Transverse section of an involute leaf." — Encyclopedia Britanica, 1893
A kidney-shaped leaf.
"Lanceolate.--Lance or spear-shaped, as in tulipa sylvestris." -Newman, 1850
"Lanceolate, when it is three or more times as long as it is broad, and rounded at the base, and tapering…
Lanceolate leaves are lance or spear shaped. These leaves are narrowly elliptical, tapering to each…
"Linear.--Narrow, with parallel sides, as in most grasses." -Newman, 1850
The linear-acute leaf is narrow with two sides that are nearly parallel.
A lion toothed leaf.
This is an example of a pinnately lobed leaf.
This is an example of a palmately lobed leaf.
A lobed leaf.
"Lyrate.--Lyre-shaped: cut into many transverse segments, becoming larger towards the extremity of the…
"Lyrate leaf." -Bergen, 1896
A leaf where the terminal lobe is the largest among the lobes.
"Mucronate.--Sharply pointed." -Newman, 1850
This is an example of a needle-shaped leaf of the Larch.
"When a leaf is bounded by a regular curve, and it three or more times as long as it is broad, it is…
Opposite of ovate, egg-shaped and narrow at the base.
Opposite leaves, in adjacent pairs.
An orbicular or circular leaf.
A nearly circular leaf.
An egg-shaped leaf, wide at the base.
"It is said to be ovate when it has the outline of the longitudinal section of an egg."—Darby,…
An ovate leaf is the shape of an egg. The broad end is downwards.
"Palmated.--Cut into oblong segments, so as to resemble a hand." -Newman, 1850
When divided, the leaf resembles a hand.
A palmatifid leaf is cut half way to the base in a palmate manner.
Pandurate leaves are fiddle shaped. The leaves arer obovate in form, with one or two deep recesses or…
This type of parallel-veined leaf has veins running from the base of the leaf to the point.
This type of parallel-veined leaf has veins running from the midrib of the leaf to the margins.
This is an example of a pinnately parted leaf.
This is an example of a palmately parted leaf.
"Pectinate.--Like the teeth of a comb." -Newman, 1850
A leaf in the shape of a comb.
A leaf shaped like a foot.
"Peltate.--Stalk fastened in the middle." -Newman, 1850
"Peltate, with the petiole inserted in the lamina, but not in the center of it."—Darby, 1855
"Perfiolate leaf, caused by the union of two opposite leaves."—Darby, 1855
"Perfiolate leaf, caused by the union of the lobes of the leaves."—Darby, 1855