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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 ...
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]
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.
Quercus ellipsoidalis E.J.Hill – northern pin oak – eastern North America; Quercus elliptica Née – Mexico; Quercus emoryi Torr. – Emory oak – # southwestern U.S., northern Mexico; Quercus falcata Michx. – southern red oak or Spanish oak – southeastern North America; Quercus floccosa Liebm. – Mexico; Quercus flocculenta C.H.Mull ...
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]
It can be mistaken for the pin oak, the black oak (Q. velutina), or occasionally the red oak (Q. rubra). On the scarlet oak the sinuses between lobes are C-shaped in comparison to pin oak, which has U-shaped sinuses and the acorns are half covered by a deep cap. [8] Additionally, pin oak foliage generally turns bronze in autumn.
The leaves of the black oak are alternately arranged on the twig and are 10–20 cm (4–8 in) long with 5–7 bristle-tipped lobes separated by deep U-shaped notches. The upper surface of the leaf is a shiny deep green, and the lower is yellowish-brown. There are also stellate hairs on the underside of the leaf that grow in clumps. [5]