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Quercus palustris, also called pin oak, [4] swamp oak, or Spanish oak, [5] is a tree in the red oak section (Quercus sect. Lobatae) of the genus Quercus. Pin oak is one of the most commonly used landscaping oaks in its native range due to its ease of transplant, relatively fast growth, and pollution tolerance.
The acorns tend to be ellipsoid (ellipse-shaped, from which its scientific name derives), though they tend to be highly variable and range to globose, 6–11 millimeters (1 ⁄ 4 – 7 ⁄ 16 in) long and 10–19 mm (13 ⁄ 32 – 3 ⁄ 4 in) broad, a third to a half covered in a deep cup, green maturing pale brown about 18 months after ...
– Chinkapin oak – eastern, central, and southwestern US (West Texas and New Mexico), northern Mexico; Quercus ningqiangensis S.Z.Qu & W.H.Zhang – southeastern China; Quercus oblongifolia Torr. – Arizona blue oak, Southwestern blue oak, or Mexican blue oak – # southwestern U.S., northwestern Mexico; Quercus obtusata Bonpl. – Mexico
However, unlike the pointed teeth on the leaves of the chinquapin oak, chestnut oak leaves generally have rounded teeth. The two species have contrasting kinds of bark: chinquapin oak has a gray, flaky bark very similar to that of white oak ( Q. alba ) but with a more yellow-brown cast to it (hence the occasional name yellow oak for this ...
Oak wood chips are used for smoking foods such as fish, meat, and cheese. [87] [88] In Japan, Children's Day is celebrated with Kashiwa-mochi rice cakes, filled with a sweet red bean paste, and wrapped in a kashiwa oak leaf. [89] The bark of the cork oak is used to produce cork stoppers for wine bottles.
The following terms are used to describe leaf morphology in the description and taxonomy of plants. Leaves may be simple (that is, the leaf blade or 'lamina' is undivided) or compound (that is, the leaf blade is divided into two or more leaflets). [1] The edge of the leaf may be regular or irregular, and may be smooth or have hair, bristles, or ...
Quercus rubra, the northern red oak, is an oak tree in the red oak group (Quercus section Lobatae). It is a native of North America, in the eastern and central United States and southeast and south-central Canada.
It is referenced by name in the first line of the official North Carolina State Toast. [5] [31] Also, the state's highest honor is named the "Order of the Long Leaf Pine". The state tree of North Carolina is officially designated as simply "pine", under which this and seven other species fall. [5] [32]