75 illustrations of oak trees including: black oak, bur oak, canyon oak, chestnut oak, chinquapin oak, island oak, pin oak, post oak, red oak, scarlet oak, hinge oak, swamp oak, turkey oak, white oak, willow oak, and yellow oak, as well as examples of acorns and leaves

The branch of a Quercus heterophylla, a species of oak tree.

Branch of Quercus Heterophylla

The branch of a Quercus heterophylla, a species of oak tree.

The branch of a Quercus hypoleuca, a species of oak.

Branch of Quercus Hypoleuca

The branch of a Quercus hypoleuca, a species of oak.

The branch of a Quercus Minor tree, a species of oak.

Branch of Quercus Minor

The branch of a Quercus Minor tree, a species of oak.

The branch of a Quercus oblongifolia tree, a species of oak.

Branch of Quercua Oblongifolia

The branch of a Quercus oblongifolia tree, a species of oak.

The branch of a Quercus platanoides, a species of oak tree.

Branch of Quercus Platanoides

The branch of a Quercus platanoides, a species of oak tree.

The branch of a Quercus Reticulata, a species of oak tree.

Branch of Quercus Reticulata

The branch of a Quercus Reticulata, a species of oak tree.

The branch of a Quercus undulata tree, a species of oak. Native to the southwestern United States.

Branch of Quercus Undulata

The branch of a Quercus undulata tree, a species of oak. Native to the southwestern United States.

Also known as Quercus laurifolia. The branch of a Swamp Laurel Oak, native to the southeast United States.

Branch of Swamp Laurel Oak

Also known as Quercus laurifolia. The branch of a Swamp Laurel Oak, native to the southeast United States.

Also known as Quercus palustris. A species of red oak tree native to eastern United States.

Branch of Swamp Spanish Oak

Also known as Quercus palustris. A species of red oak tree native to eastern United States.

Leaves - simple; alternate; edge quite deeply wavy-toothed. Outline - reverse egg-shape or oval. Apex - blunt-pointed. Base - pointed. Leaf - five to eight inches long; smooth, and rather bright green above; whitish-downy beneath, becoming almost silvery-white; often with a rather deep hollow just below the middle, and usually abruptly spreading above; the teeth unequal, longest toward the middle of the leaf, sometimes almost long enough to be called lobes; mostly rounded at the apex, but sometimes ending in a hard point; the main ribs prominent and rust-colored. Bark - of trunk, grayish-white, dividing into large, flat scales. Acorns - usually in pairs on a stem one and a quarter to three inches long. Cup - rounded, rather thin, rough, with sharp scales; the upper scales bristle-tipped, forming a border, or sometimes a fringe, along the edge; slightly downy within. Nut - one inch or less in length, egg-shape; sweet. October. Found - from Southern Maine and the Upper St. Lawrence to Southeastern Iowa and Western Missouri, south to Delaware and along the Alleghany Mountains to Northern Georgia; along borders of streams and in swamps, in deep, rich soil. Its finest growth is in the region of the Great Lakes. General Information - A tree thirty to sixty feet high or more, with wood similar in value to that of the White Oak. Quercus, possible from a Celtic word meaning to inquire, because it was among the oaks that the Druids oftenest practised their rites.

Genus Quercus, L. (Oak)

Leaves - simple; alternate; edge quite deeply wavy-toothed. Outline - reverse egg-shape or oval. Apex…

The leaf of a white oak tree.

White Oak Leaf

The leaf of a white oak tree.

The leaf of a white oak tree.

White Oak Leaf

The leaf of a white oak tree.

Also known as Quercus alba. The branch of a White Oak tree, native to eastern North America.

Branch of White Oak

Also known as Quercus alba. The branch of a White Oak tree, native to eastern North America.

Also known as Quercus phellos. The branch of a Willow Oak tree, native to eastern North America.

Branch of Willow Oak

Also known as Quercus phellos. The branch of a Willow Oak tree, native to eastern North America.

The leaf of a willow-oak tree.

Willow-Oak Leaf

The leaf of a willow-oak tree.