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Description. In the northern part of its range, Quercus velutina is a relatively small tree, reaching a height of 20–25 metres (66–82 feet) and a diameter of 90 centimetres (35 inches), but it grows larger in the south and center of its range, where heights of up to 42 m (138 ft) are known. The leaves of the black oak are alternately ...
Description. California black oak leaf and bark. Quercus kelloggii typically grows from 9–25 meters (30–82 feet) in height and from 0.3–1.4 m (1– ft) in diameter. Large trees may exceed 36 m (118 ft) in height and 1.6 m (5 ft 3 in) diameter, with the record holder measuring 38 m (124 ft) tall and 2.7 m (9 ft) thick (in the Siskiyou ...
Black oak is a common name for several species of tree. These include: Quercus kelloggii, the California black oak, from the western United States. Quercus velutina, the eastern black oak, from the eastern United States and Canada. Casuarina pauper, an Australian tree species. Trigonobalanus excelsa, the Colombian black oak, an oak relative ...
Quercus ilex. L. Species' distribution: Q. ilex (green), Q. rotundifolia (rose) Quercus ilex, the holm oak, [2][3] also (ambiguously, as many oaks are evergreen) evergreen oak, [4] is a large evergreen oak native to the Mediterranean region. It is a member of the section Ilex of the genus, [5][6] with acorns that mature in a single summer.
The Seven Sisters Oak, estimated to be between 500 and 1,000 years old, is the largest certified southern live oak tree. The Angel Oak on Johns Island, South Carolina, near Charleston is estimated to be 400–500 years old. It has a trunk circumference of 8.5 m (28 ft), height of 20.3 m (66 ft 6 in) and limb spread of 57 m (187 ft).
Live oak was widely used in early American butt shipbuilding.Because of the trees' short height and low-hanging branches, lumber from live oaks was used in curved parts of the frame, such as knee braces (single-piece, L-shaped braces that spring inward from the side and support the deck), in which the grain runs perpendicular to structural stress, making for exceptional strength.
See also List of Quercus species. An oak is a hardwood tree or shrub in the genus Quercus of the beech family. They have spirally arranged leaves, often with lobed edges, and a nut called an acorn, borne within a cup. The genus is widely distributed in the Northern Hemisphere; it includes some 500 species, both deciduous and evergreen.
Quercus ellipsoidalis is a medium-sized deciduous tree growing to 20 meters (66 feet) tall with an open, rounded crown. The leaves are glossy green, 7–13 centimeters (4 –5 inches) long and 5–10 cm (2–4 in) broad, lobed, with five or seven lobes, and deep sinuses between the lobes. Each lobe has 3–7 bristle-tipped teeth.