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Under optimal conditions and full sun, northern red oak is fast growing and a 10-year-old tree can be 5–6 m (16–20 ft) tall. [4] Trees may live up to 400 years; [5] a living example of 326 years was noted in 2001. [6] [7] Northern red oak is easy to recognize by its bark, which features ridges that appear to have shiny stripes down the ...
The leaves are alternate, simple and tardily deciduous, remaining on the tree until mid-winter; they are 3–12 centimeters (1 + 1 ⁄ 4 – 4 + 3 ⁄ 4 inches) long and 2–6 cm (3 ⁄ 4 – 2 + 1 ⁄ 4 in) broad, variable in shape, most commonly shaped like a spatula being broad and rounded at the top and narrow and wedged at the base. The ...
whole leaf: Shaped like an ellipse (widest at mid-blade and with similar convex tapering towards apex and base), with a short or no point emarginate: emarginatus: leaf tip: Slightly indented at the tip ensiform: ensiformis: whole leaf: Shaped like a sword; long and narrow with a sharp pointed tip falcate: falcatus: whole leaf: Sickle-shaped ...
Quercus falcata, also called southern red oak, spanish oak, [4] bottomland red oak or three-lobed red oak is an oak (part of the genus Quercus).Native to the southeastern United States, it gets its name the "Spanish Oak" as these are the areas of early Spanish colonies, whilst "southern red oak" comes from both its range and leaf color during late summer and fall. [5]
The seed leaves are either free or fused together. The cup at the base of the acorn has thickened triangular scales that are either free or fused at the base and have sharp angled tips. The scales have keels and are often covered with small bumps (tuberculate). The leaf teeth typically do not have either bristle-like or spiny tips. [2]
Leaves: Alternate, oblong or obovate, four to six inches long, one to two inches wide, wedge-shaped or rounded at base, acute or rounded at apex, sometimes entire or with undulated margins, sometimes more or less three-lobed. They come out of the bud involute, bright red, covered with rusty down above and white tomentum below.
5. Leaves usually with teeth or lobes: 7 6. Leaf narrow, about 4-6 times as long as broad — Willow oak Quercus phellos 6. Leaf broad, about 2-3 times as long as broad — Shingle oak Quercus imbricaria 7. Leaves mostly with 3 lobes — Blackjack oak Quercus marilandica 7. Leaves mostly with 7-9 lobes — Northern red oak Quercus rubra
The Myrtle Oak often grows as a shrub, but can also take the form of a tree. In maturity it grows to 15–20 feet (4.6–6.1 m) tall and 8–10 feet (2.4–3.0 m) wide. It is considered a red oak. [9] The leaves are simple alternate. [10] They appear dark green with a yellow-green underside. The leaves have a leathery texture, and an obovate ...