Opposite of ovate, egg-shaped and narrow at the base.

Obovate Leaf

Opposite of ovate, egg-shaped and narrow at the base.

Opposite leaves, in adjacent pairs.

Opposite Leaves

Opposite leaves, in adjacent pairs.

An orbicular or circular leaf.

Orbicular Leaf

An orbicular or circular leaf.

An egg-shaped leaf, wide at the base.

Ovate Leaf

An egg-shaped leaf, wide at the base.

"Palmated.--Cut into oblong segments, so as to resemble a hand." -Newman, 1850

Palmate

"Palmated.--Cut into oblong segments, so as to resemble a hand." -Newman, 1850

"Pectinate.--Like the teeth of a comb." -Newman, 1850

Pectinate Leaf

"Pectinate.--Like the teeth of a comb." -Newman, 1850

"Peltate.--Stalk fastened in the middle." -Newman, 1850

Peltate Leaf

"Peltate.--Stalk fastened in the middle." -Newman, 1850

A perfoliate leaf is when there is a stem through the leaf.

Perfoliate Leaf

A perfoliate leaf is when there is a stem through the leaf.

"Pinnate.--Term applied to a leaf when cut into many parallel segments, like the rose." -Newman, 1850

Pinnate

"Pinnate.--Term applied to a leaf when cut into many parallel segments, like the rose." -Newman, 1850

"Pinnate.--Term applied to a leaf when cut into many parallel segments, like the rose." -Newman, 1850

Pinnatifid

"Pinnate.--Term applied to a leaf when cut into many parallel segments, like the rose." -Newman, 1850

"Plicate.--Folded like a fan, or plaited." -Newman, 1850

Plaited Leaf

"Plicate.--Folded like a fan, or plaited." -Newman, 1850

A rhomboid or diamond-shaped leaf.

Rhomboid Leaf

A rhomboid or diamond-shaped leaf.

"Serrated.--Edged with sharp teet, like those of a saw." -Newman, 1850

Serrated Leaf

"Serrated.--Edged with sharp teet, like those of a saw." -Newman, 1850

"Parallel-veined leaf of Solomon's seal." -Bergen, 1896

Solomon's Seal Leaf

"Parallel-veined leaf of Solomon's seal." -Bergen, 1896

"Spatulate.--Having the form of a spatula; a kind of knife, almost spoon-shaped, but flat." -Newman, 1850

Spatulate Leaf

"Spatulate.--Having the form of a spatula; a kind of knife, almost spoon-shaped, but flat." -Newman,…

Spreading leaves.

Spreading Leaves

Spreading leaves.

"Stipulae.--Two small leaves, placed usually at the base of the floral leaf, and on opposite sides of the branch." -Newman, 1850

Stipule

"Stipulae.--Two small leaves, placed usually at the base of the floral leaf, and on opposite sides of…

"Ternate.--Consisting of three leaflets." -Newman, 1850

Ternate Leaf

"Ternate.--Consisting of three leaflets." -Newman, 1850

A triangular leaf.

Triangular Leaf

A triangular leaf.

"Tripinnate.--Triple rows of leaflets." -Newman, 1850

Tripinnate

"Tripinnate.--Triple rows of leaflets." -Newman, 1850

A trowel-shaped leaf.

Trowel-Shaped Leaf

A trowel-shaped leaf.

An unequal leaf.

Unequal Leaf

An unequal leaf.

Upright leaves.

Upright Leaves

Upright leaves.

A wedge-shaped leaf.

Wedge-Shaped Leaf

A wedge-shaped leaf.

This is an example of a whorled-shaped leaf structure.

Whorled Leaf

This is an example of a whorled-shaped leaf structure.

This shows a typical leaf.

Leaves

This shows a typical leaf.

This shows a linear leaf.

Linear Leaf Shape

This shows a linear leaf.

The leaf of a Japanese Maple tree.

Japanese Maple

The leaf of a Japanese Maple tree.

The leaf of a Norway Maple tree.

Norway Maple

The leaf of a Norway Maple tree.

The leaf of a Red or Swamp Maple tree.

Red or Swamp Maple

The leaf of a Red or Swamp Maple tree.

The leaf of a Silver Maple tree.

Silver Maple

The leaf of a Silver Maple tree.

The leaf of a Sugar Maple tree.

Sugar Maple

The leaf of a Sugar Maple tree.

The leaf of a Sycamore Maple tree.

Sycamore Maple

The leaf of a Sycamore Maple tree.

This shows a needle-shaped leaf.

Needle-Shaped Leaf

This shows a needle-shaped leaf.

This shows an oblanceolate leaf.

Oblanceolate Leaf Shape

This shows an oblanceolate leaf.

This shows an orbicular leaf.

Orbicular Leaf Shape

This shows an orbicular leaf.

This shows an ovate leaf.

Ovate Leaf Shape

This shows an ovate leaf.

"Leaf of pansy, with leaf-like stipules." -Bergen, 1896

Pansy Leaf

"Leaf of pansy, with leaf-like stipules." -Bergen, 1896

This shows a plicate leaf.

Plicate Leaf

This shows a plicate leaf.

A leaf pouch.

Pouch

A leaf pouch.

This shows an revolute leaf.

Revolute Leaf Shape

This shows an revolute leaf.

"Sessile.--Said of leaves seated on the stem, without footstalks." -Newman, 1850

Sessile

"Sessile.--Said of leaves seated on the stem, without footstalks." -Newman, 1850

Three shapes of sweet potato leaves. On left, cut-leaf type; in center, shouldered leaf; and on right, entire or "round" leaf.

Sweet Potato Leaves

Three shapes of sweet potato leaves. On left, cut-leaf type; in center, shouldered leaf; and on right,…

A leaf from a sycamore tree.

Sycamore Leaf

A leaf from a sycamore tree.

A leaf from the white or gray birch.

White or Gray Birch Leaf

A leaf from the white or gray birch.

A leaf from a whitewood or tulip tree.

Whitewood Leaf

A leaf from a whitewood or tulip tree.

A yellow locust leaf.

Yellow Locust Leaf

A yellow locust leaf.