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Quercus robur (from the Latin quercus, "oak" + robur derived from a word meaning robust, strong) was named by Carl Linnaeus in Species Plantarum (1753). [11] [12] It is the type species of the genus and classified in the white oak section (Quercus section Quercus). [13] It has numerous common names, including "common oak", "European oak" and ...
In spring, a single oak tree produces both staminate ('male') flowers in the form of catkins, and small pistillate ('female') flowers, [4] meaning that the trees are monoecious. The fruit is a nut called an acorn , borne in a cup-like structure known as a cupule ; each acorn usually contains one seed and takes 6–18 months to mature, depending ...
Quercus robur L. – pedunculate oak, English oak or French oak – Europe, West Asia; Quercus rugosa Née – netleaf oak or Rugosa oak – # southwestern U.S., northwestern Mexico; Quercus × schuettei Trel. — Schuette's oak — US, Canada; Quercus sebifera Trel. – # Mexico; Quercus segoviensis Liebm. – Mexico and northern Central America
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.
The seeds of this tree are called chich’il in Ndee, wi-yo:thi or toa in O’odham, bellotas in Spanish, and acorns in English. [6] The English and Latin botanical names for this tree come from the name of a United States Army surveyor, Lieutenant William Hemsley Emory, who surveyed the area that had become known as West-Texas in the 1840s.
The valley oak is widely distributed in: the California Central Valley; many smaller valleys such as the San Fernando Valley (original Spanish place-name from oak savannah), Santa Clarita Valley, Conejo Valley, and Santa Ynez Valley; the Inner Coast Ranges south of the Eel River; and the Transverse Ranges from the Tehachapi Mountains to the ...
Quercus alba, the white oak, is one of the preeminent hardwoods of eastern and central North America. It is a long-lived oak, native to eastern and central North America and found from Minnesota, Ontario, Quebec, and southern Maine south as far as northern Florida and eastern Texas. [3]
The resemblance of the foliage to that of the common European holly, Ilex aquifolium, has led to its common and botanic names. The species name ilex was originally the classical Latin name for the holm oak, but later adopted as a botanical genus name for the hollies. The common name 'holm oak' takes its name from holm, an ancient name for holly ...