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Quercus robur, the pedunculate oak or English oak, [3] [4] is a species of flowering plant in the beech and oak family, Fagaceae. It is a large tree, native to most of Europe and western Asia , and is widely cultivated in other temperate regions.
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
The Bigelow oak grows to a height of 12 metres (39 feet), with a diameter at breast height of 81 centimetres (32 inches) and gray flaking bark. [1] The leaves range from 3–8 cm (1 + 1 ⁄ 4 – 3 + 1 ⁄ 4 in) long by 2–4.5 cm wide, with shapes Duncan & Duncan describe as "narrowly obovate to oblanceolate or narrowly elliptic", with "broadly rounded and bristleless" tips. [1]
The common name Durand white oak most often refers to this taxon. [3] The less specific common name bastard oak may refer to either of the two varieties of Quercus sinuata, var. sinuata and var. breviloba. Other common names include bastard white oak and bluff oak, but these names more often refer to Quercus austrina. [4]
It is commonly known as the Garry oak, Oregon white oak or Oregon oak. It grows from sea level to an altitude of 690 feet (210 metres) in the northern part of its range, and from 980 to 5,900 ft (300 to 1,800 m) in the south of the range in California. [4] The eponymous Nicholas Garry was deputy governor of the Hudson's Bay Company.
Its foliage is remarkable for its size, among the largest of all oaks, consisting of a short hairy petiole, 1–1.5 centimetres (3 ⁄ 8 – 5 ⁄ 8 inch) long, and a blade 10–40 cm (4– 15 + 1 ⁄ 2 in) long and 15–30 cm (6–12 in) broad, with a shallowly lobed margin; the form is reminiscent of an enormous pedunculate oak leaf. The ...
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.
Quercus rugosa is an evergreen shrub or tree. [3] The bark is brown and scaly. The leaves are thick and leathery, rarely flat, usually cupped, up to 15 centimetres (6 inches) long, dark green on the top but covered with a thick of reddish-brown hairs on the underside.