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This leaf is spread out like a hand.

Leaf

This leaf is spread out like a hand.

This leaf is spread out like a hand.

Leaf

This leaf is spread out like a hand.

Leaves are arranged in a great many different ways on their stems. Here are three leaves together on a stem.

Leaf

Leaves are arranged in a great many different ways on their stems. Here are three leaves together on…

Leaves are arranged in a great many different ways on their stems. Here the leaf-stem has three little branches, and each branch has three leaves.

Leaf

Leaves are arranged in a great many different ways on their stems. Here the leaf-stem has three little…

Leaves are arranged in a great many different ways on their stems. On this leaf-stem are a great many leaves.

Leaf

Leaves are arranged in a great many different ways on their stems. On this leaf-stem are a great many…

This shows an lanceolate leaf.

Lanceolate Leaf Shape

This shows an lanceolate leaf.

This shows an obovate leaf.

Leaf

This shows an obovate leaf.

One of the three principal parts or organs of vegetation, generally flattened in shape, and greenish in color.

Leaf

One of the three principal parts or organs of vegetation, generally flattened in shape, and greenish…

A circular leaf border.

Circular Leaf Border

A circular leaf border.

"Many plans may be propagated by planting their leaves or portions of their leaves as cuttings, as, for example, the herbaceous Gloxinia (a) and Gesnera, the succulent Sempervivum, Echeveria, Pachyphytum, and their allies and such hard-leaved plants as Theophrasta (b). The leaves are best taken off with the base whole, and should be planted in well-drained sandy soil; in due time they form roots, and ultimately from some latent bud a little shoot which forms the young plant. The treatment is precisely like that of branch cuttings. Gloxinias, begonias, etc., grow readily from fragments of the leaves cut clean through the thick veins and ribs, and planted edgewise like cuttings. This class of subjects may also be fixed flat on the surface of the cutting pot, by means of little pegs or hooks, the main ribs being cut across at intervals, and from these points roots, and eventually young tubers, will be produced." — Encyclopedia Britannica, 1893

Leaf Cuttings

"Many plans may be propagated by planting their leaves or portions of their leaves as cuttings, as,…

"Many plans may be propagated by planting their leaves or portions of their leaves as cuttings, as, for example, the herbaceous Gloxinia (a) and Gesnera, the succulent Sempervivum, Echeveria, Pachyphytum, and their allies and such hard-leaved plants as Theophrasta (b). The leaves are best taken off with the base whole, and should be planted in well-drained sandy soil; in due time they form roots, and ultimately from some latent bud a little shoot which forms the young plant. The treatment is precisely like that of branch cuttings. Gloxinias, begonias, etc., grow readily from fragments of the leaves cut clean through the thick veins and ribs, and planted edgewise like cuttings. This class of subjects may also be fixed flat on the surface of the cutting pot, by means of little pegs or hooks, the main ribs being cut across at intervals, and from these points roots, and eventually young tubers, will be produced." — Encyclopedia Britannica, 1893

Leaf Cuttings

"Many plans may be propagated by planting their leaves or portions of their leaves as cuttings, as,…

An illustration of a leaf divider.

Leaf Divider

An illustration of a leaf divider.

An decorative lead divider.

Decorative Leaf Divider

An decorative lead divider.

An ornamental leaf used to decorate a page.

Leaf Doodad

An ornamental leaf used to decorate a page.

An illustration of a roman diptych with gold leaf. A diptych is any object with two flat plates attached at a hinge.

Leaf of Roman Diptych

An illustration of a roman diptych with gold leaf. A diptych is any object with two flat plates attached…

A scimitar-shaped leaf.

Acinaciform Leaf

A scimitar-shaped leaf.

A variety of spinach.

Arlington Pointed Leaf

A variety of spinach.

A leaf which has the lobes at the base.

Auriculate Leaf

A leaf which has the lobes at the base.

This is an example of an awl-shaped leaf.

Awl-shaped Leaf

This is an example of an awl-shaped leaf.

A leaf with double the amount of feather-like leaves.

Bipinnate Leaf

A leaf with double the amount of feather-like leaves.

A leaf with three leaflets subdivided into three different sections.

Biternate Leaf

A leaf with three leaflets subdivided into three different sections.

In the middle of the blister, on its lower surface, is a small opening, which permits the gall mites (phytoptus pyris) to pass out of the blister. The cells in the middle of the leaf are torn apart.

Blister Formed by Phytoptus Pyris by Leaf

In the middle of the blister, on its lower surface, is a small opening, which permits the gall mites…

The Byzantine Leaf is a design found in Constantinople.

Byzantine Leaf

The Byzantine Leaf is a design found in Constantinople.

This is an example of a pinnately cleft leaf.

Cleft Leaf

This is an example of a pinnately cleft leaf.

This is an example of a palmately cleft leaf.

Cleft Leaf

This is an example of a palmately cleft leaf.

This is an example of a compound leaf. Pinnate leaves have their leaflets arranged along the sides of the main footstalk.

Compound Leaf

This is an example of a compound leaf. Pinnate leaves have their leaflets arranged along the sides of…

This is an example of a compound leaf. Pinnate leaves have their leaflets arranged along the sides of the main footstalk.

Compound Leaf

This is an example of a compound leaf. Pinnate leaves have their leaflets arranged along the sides of…

This is an example of a compound leaf. Pinnate leaves have their leaflets arranged along the sides of the main footstalk.

Compound Leaf

This is an example of a compound leaf. Pinnate leaves have their leaflets arranged along the sides of…

This is an example of a compound leaf. Palmate leaves have their leaflets arranged on the very end of the footstalk.

Compound Leaf

This is an example of a compound leaf. Palmate leaves have their leaflets arranged on the very end of…

This is an example of a twice-pinnate leaf of the Honey-locust.

Compound Leaf

This is an example of a twice-pinnate leaf of the Honey-locust.

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.

"Transverse section of a conduplicate leaf." — Encyclopedia Britanica, 1893

Conduplicate Leaf

"Transverse section of a conduplicate leaf." — Encyclopedia Britanica, 1893

"Transverse section of a convolute leaf." — Encyclopedia Britanica, 1893

Convolute Leaf

"Transverse section of a convolute leaf." — Encyclopedia Britanica, 1893

A cordate leaf has the base rounded in the shape of a heart.

Cordate Leaf

A cordate leaf has the base rounded in the shape of a heart.

Cross section of a leaf, showing the breathing pores and intercellular spaces. The small dots are grains of chlorophyll.

Cross-section of a leaf

Cross section of a leaf, showing the breathing pores and intercellular spaces. The small dots are grains…

A wedge-shaped leaf, tapering gradually to the base.

Cuneate Leaf

A wedge-shaped leaf, tapering gradually to the base.

A leaf which resembles a hand spreading its fingers.

Digitate Leaf

A leaf which resembles a hand spreading its fingers.

"Transverse section of a diseased patch in the leaf showing the hyphae of the fungus pushing between the leaf-cells and tapping them for nourishment. The hyphae have broken through the upper face and are forming a cluster of spores." -Britannica, 1910

Diseased Leaf

"Transverse section of a diseased patch in the leaf showing the hyphae of the fungus pushing between…

This is an example of a pinnately divided leaf.

Divided Leaf

This is an example of a pinnately divided leaf.

This is an example of a palmately divided leaf.

Divided Leaf

This is an example of a palmately divided leaf.

A leaf in the shape of a fan.

Fan-Shaped Leaf

A leaf in the shape of a fan.

This is the leaf of the common fern, or brake. On the back of the leaf are spores.

Fern Leaf

This is the leaf of the common fern, or brake. On the back of the leaf are spores.

"Fork-veined leaves are those in which the primary veins divide into two nearly equal secondary veins, forming a dork, and these subdivided in the same manner."—Darby, 1855

Fork-Veined Leaf

"Fork-veined leaves are those in which the primary veins divide into two nearly equal secondary veins,…

The French Renaissance Leaf design tend to look more formal.

French Leaf Renaissance

The French Renaissance Leaf design tend to look more formal.

The French Renaissance Leaf design tend to look more formal. This design was found in a church in Epernay (Northern France).

French Leaf Renaissance

The French Renaissance Leaf design tend to look more formal. This design was found in a church in Epernay…

The French Renaissance Leaf design tend to look more formal.

French Leaf Renaissance

The French Renaissance Leaf design tend to look more formal.

The Gothic Leaf has a general naturalistic style but details that are idealized.

Gothic Leaf

The Gothic Leaf has a general naturalistic style but details that are idealized.

The Greek Leaf has pointed leaf-edges.

Greek Leaf

The Greek Leaf has pointed leaf-edges.

Also known as Dolabriform. A leaf in the shape of an axe.

Hatchet-Shaped Leaf

Also known as Dolabriform. A leaf in the shape of an axe.

"Transverse section of an involute leaf." — Encyclopedia Britanica, 1893

Involute Leaf

"Transverse section of an involute leaf." — Encyclopedia Britanica, 1893

"Lanceolate, when it is three or more times as long as it is broad, and rounded at the base, and tapering at the apex."—Darby, 1855

Lanceolate Leaf

"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 end.

Lanceolate Leaf

Lanceolate leaves are lance or spear shaped. These leaves are narrowly elliptical, tapering to each…

Cross section of leaf of lily, somewhat diagrammatic: e, upper epidermis,s, stomata in cross-section, p, palisade layer

Lily Leaf

Cross section of leaf of lily, somewhat diagrammatic: e, upper epidermis,s, stomata in cross-section,…

The linear-acute leaf is narrow with two sides that are nearly parallel.

Linear-Acute Leaf

The linear-acute leaf is narrow with two sides that are nearly parallel.

This is an example of a pinnately lobed leaf.

Lobed Leaf

This is an example of a pinnately lobed leaf.

This is an example of a palmately lobed leaf.

Lobed Leaf

This is an example of a palmately lobed leaf.

A leaf where the terminal lobe is the largest among the lobes.

Lyrate Leaf

A leaf where the terminal lobe is the largest among the lobes.

"The branch vascular bundles will be distinctly seen, resembling in some respects the arteries and veins of the human body. A careful examination will show that these are also covered with a very fine lace-work of cells under and over them, and interspersed among the latter will be seen a vast assemblage of translucent dottings, each having an opening across it corresponding to those of the stomates under which they were situated before dissection." -Watts, 1874

Microscopic view of a leaf

"The branch vascular bundles will be distinctly seen, resembling in some respects the arteries and veins…

The Modern Leaf design is found in Louvre, France.

Modern Leaf

The Modern Leaf design is found in Louvre, France.

The Modern Leaf design is found in Monte Carlo, Monaco.

Modern Leaf

The Modern Leaf design is found in Monte Carlo, Monaco.