ClipArt ETC
"A leaf of Acacia. A, as seen by day; B, the same leaf asleep at night." -Bergen, 1896

Acacia Leaf

"A leaf of Acacia. A, as seen by day; B, the same leaf asleep at night." -Bergen, 1896

An American beech leaf.

American Beech Leaf

An American beech leaf.

A leaf from an American elm tree.

American Elm Leaf

A leaf from an American elm tree.

"Leaf of apple, with stipules." -Bergen, 1896

Apple Leaf

"Leaf of apple, with stipules." -Bergen, 1896

A black birch leaf.

Black Birch Leaf

A black birch leaf.

A black walnut leaf.

Black Walnut Leaf

A black walnut leaf.

"Xerophytic leaves of the Australian blackberry. l, leaflets reduced in many cases to bare midrobs, in other cases showing a bit of blade at the end; P, petiole." -Bergen, 1896

Australian Blackberry Leaves

"Xerophytic leaves of the Australian blackberry. l, leaflets reduced in many cases to bare midrobs,…

A buckeye leaf.

Buckeye Leaf

A buckeye leaf.

"Palmately divided leaf of buttercup." -Bergen, 1896

Buttercup Leaf

"Palmately divided leaf of buttercup." -Bergen, 1896

A butternut leaf.

Butternut Leaf

A butternut leaf.

"Parallel veining in Canna. Veins running from midrib to margin." -Bergen, 1896

Canna Leaf

"Parallel veining in Canna. Veins running from midrib to margin." -Bergen, 1896

A catalpa leaf.

Catalpa Leaf

A catalpa leaf.

"Pinnately divided leaf of Celandine. The blade of the leaf is discontinuous, consisting of several portions, between which are spaces in which one part of the blade has been developed." -Bergen, 1896

Celandine Leaf

"Pinnately divided leaf of Celandine. The blade of the leaf is discontinuous, consisting of several…

"A leaf of red clover. At the left, leaf by day; at the right, the same leaf asleep at night." -Bergen, 1896

Red Clover Leaf

"A leaf of red clover. At the left, leaf by day; at the right, the same leaf asleep at night." -Bergen,…

This shows a conduplicate leaf.

Conduplicate Leaf

This shows a conduplicate leaf.

This shows a convolute leaf.

Convolute Leaf

This shows a convolute leaf.

"Opposite leaves of Deutzia, as arranged on a horizontal branch." -Bergen, 1896

Deutzia Leaves

"Opposite leaves of Deutzia, as arranged on a horizontal branch." -Bergen, 1896

"Opposite leaves of Deutzia, as arranged on a vertical branch." -Bergen, 1896

Deutzia Leaves

"Opposite leaves of Deutzia, as arranged on a vertical branch." -Bergen, 1896

The image shows how endogens grow threw elongation internally. "Endogenous leaf, showing its parallel veins." -Whitney, 1911

Endogenous Leaf

The image shows how endogens grow threw elongation internally. "Endogenous leaf, showing its parallel…

"Fascicles.--When leaves or flowers grow more than two together they are said to be fasciculated, or in fascicles." -Newman, 1850

Fascicles

"Fascicles.--When leaves or flowers grow more than two together they are said to be fasciculated, or…

A leaf from a gumwood tree.

Gumwood Leaf

A leaf from a gumwood tree.

A hickory leaf.

Hickory Leaf

A hickory leaf.

A honey locust leaf.

Honey Locust Leaf

A honey locust leaf.

A horse-chestnut leaf.

Horse-Chestnut Leaf

A horse-chestnut 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.

This shows an lanceolate leaf.

Lanceolate Leaf Shape

This shows an lanceolate leaf.

This shows an obovate leaf.

Leaf

This shows an obovate leaf.

"A, Shapes of bases of leaves; B, Peltate leaf of Tropaeolum. 1, heart-shaped; 2, arrow-shaped; 3, halberd-shaped." -Bergen, 1896

Leaf Bases

"A, Shapes of bases of leaves; B, Peltate leaf of Tropaeolum. 1, heart-shaped; 2, arrow-shaped; 3, halberd-shaped."…

"Shapes of margins of leaves. a (1), finely serrate; (2), coarsely serrate; (3), doubly serrate. b (1), finely dentate; (2), sinuate dentate; (3), doubly dentate. c, deeply sinuate. d, wavy. e (1), crenate or scalloped; (2), doubly crenate." -Bergen, 1896

Leaf Margins

"Shapes of margins of leaves. a (1), finely serrate; (2), coarsely serrate; (3), doubly serrate. b (1),…

"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;…

"Tips of leaves. a, acuminate or taper-pointed; b, acute; c, obtuse; d, truncate; e, retuse; f, emarginate or notched; g (end leaflet), obcordate; h, cuspidate, - the point sharp and rigid; i, mucronate, - the point merely a prolongation of the midrib." -Bergen, 1896

Leaf Tips

"Tips of leaves. a, acuminate or taper-pointed; b, acute; c, obtuse; d, truncate; e, retuse; f, emarginate…

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.

This is an example of an awl-shaped leaf.

Awl-shaped Leaf

This is an example of an awl-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.

This is an example of a decompound leaf structure, meaning it is divided three or four times.

Compound Leaf

This is an example of a decompound leaf structure, meaning it is divided three or four times.

"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.

A gingko leaf.

Gingko Leaf

A gingko 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

This is an example of a needle-shaped leaf of the Larch.

Needle Leaf

This is an example of a needle-shaped leaf of the Larch.