This shows a conduplicate leaf.

Conduplicate Leaf

This shows a conduplicate leaf.

This shows a convolute leaf.

Convolute Leaf

This shows a convolute leaf.

This shows an inflexed leaf.

Inflexed Leaf

This shows an inflexed leaf.

"Infundibuliformis.--Funnel form." -Newman, 1850

Infundibuliformis

"Infundibuliformis.--Funnel form." -Newman, 1850

This shows an involute leaf.

Involute Leaf Shape

This shows an involute leaf.

"General outline of leaves. a, linear; b, lanceolate; c, wedge-shaped; d, spatulate; e, ovate; f, obovate; g, kidney-shaped; h, orbicular; i, elliptical." -Bergen, 1896

Leaf Shapes

"General outline of leaves. a, linear; b, lanceolate; c, wedge-shaped; d, spatulate; e, ovate; f, obovate;…

An acerose, or needle-shaped leaf.

Acerose Leaf

An acerose, or needle-shaped leaf.

An arrow-shaped leaf.

Arrow-Shaped Leaf

An arrow-shaped leaf.

"Binate.--With two leaflets." -Newman, 1850

Binate

"Binate.--With two leaflets." -Newman, 1850

"Bipinnate.--Double rows of leaflets." -Newman, 1850

Bipinnate

"Bipinnate.--Double rows of leaflets." -Newman, 1850

"Bipinnatifid.--Twice pinnatifid." -Newman, 1850

Bipinnatifid

"Bipinnatifid.--Twice pinnatifid." -Newman, 1850

A clasping leaf around a stem.

Clasping Leaf

A clasping leaf around a stem.

"Crenae.--Notches, or round teeth, bordering a leaf or the petals of a flower." -Newman, 1850

Crenated Leaf

"Crenae.--Notches, or round teeth, bordering a leaf or the petals of a flower." -Newman, 1850

"A, Runcinate leaf of dandelion." -Bergen, 1896

Dandelion Leaf

"A, Runcinate leaf of dandelion." -Bergen, 1896

"Decurrent.--When leaves run down the stem to a point considerably below the place where they diverge from it." -Newman, 1850

Decurrent Leaf

"Decurrent.--When leaves run down the stem to a point considerably below the place where they diverge…

"Digitate.--Having the form of an open hand." -Newman, 1850

Digitate Leaf

"Digitate.--Having the form of an open hand." -Newman, 1850

"Elliptic.--Nearly oval, but of equal breadth at each end." -Newman, 1850

Elliptical Leaf

"Elliptic.--Nearly oval, but of equal breadth at each end." -Newman, 1850

A fiddle-shaped leaf.

Fiddle-Shaped Leaf

A fiddle-shaped leaf.

"Hastate.--Formed like the head of an ancient halbert." -Newman, 1850

Hastate

"Hastate.--Formed like the head of an ancient halbert." -Newman, 1850

A hastate leaf that is triangular in shape with basal lobes.

Hastate Leaf

A hastate leaf that is triangular in shape with basal lobes.

"Imbricate.--When leaves are laid one over another, like tiles on a roof, they are said to be imbricated." -Newman, 1850

Imbricated Leaves

"Imbricate.--When leaves are laid one over another, like tiles on a roof, they are said to be imbricated."…

A kidney-shaped leaf.

Kidney-Shaped Leaf

A kidney-shaped leaf.

"Lanceolate.--Lance or spear-shaped, as in tulipa sylvestris." -Newman, 1850

Lanceolate Leaf

"Lanceolate.--Lance or spear-shaped, as in tulipa sylvestris." -Newman, 1850

"Linear.--Narrow, with parallel sides, as in most grasses." -Newman, 1850

Linear Leaf

"Linear.--Narrow, with parallel sides, as in most grasses." -Newman, 1850

A lion toothed leaf.

Lion Toothed Leaf

A lion toothed leaf.

A lobed leaf.

Lobed Leaf

A lobed leaf.

"Lyrate.--Lyre-shaped: cut into many transverse segments, becoming larger towards the extremity of the leaf, which is rounded." -Newman, 1850

Lyrate Leaf

"Lyrate.--Lyre-shaped: cut into many transverse segments, becoming larger towards the extremity of the…

"Lyrate leaf." -Bergen, 1896

Lyrate Leaf

"Lyrate leaf." -Bergen, 1896

"Mucronate.--Sharply pointed." -Newman, 1850

Mucronate Leaf

"Mucronate.--Sharply pointed." -Newman, 1850

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

"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 shows a linear leaf.

Linear Leaf Shape

This shows a linear leaf.

This shows a needle-shaped leaf.

Needle-Shaped Leaf

This shows a needle-shaped leaf.

The various types of oak leaves: "a. Bur oak, b. Live oak, c. Willow oak, d. White oak." -Foster, 1921

Oak Leaves

The various types of oak leaves: "a. Bur oak, b. Live oak, c. Willow oak, d. White oak." -Foster, 1921

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.

"Anceps.--Two-edged." -Newman, 1850

Anceps

"Anceps.--Two-edged." -Newman, 1850