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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 ...
Description. Quercus marilandica is a small deciduous tree growing to 15 meters (49 feet) tall, with bark cracked into rectangular black plates with narrow orange fissures. The leaves are 7–20 centimeters (3–8 inches) long and broad, and typically flare from a tapered base to a broad three-lobed bell shape with only shallow indentations.
Description. 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.
Quercus lobata, commonly called the valley oak or roble, is the largest of the California oaks. It is endemic to the state, growing in interior valleys and foothills from Siskiyou to San Diego counties. [4] Deciduous, it requires year-round groundwater, [5][6] and may live up to 600 years. Its thick, ridged bark (resembling alligator hide) and ...
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.
Loz.-Contr., Hern.Com .&Henao-S. Trigonobalanus excelsa, commonly called the Colombian black oak, [2] is a species of plant in the family Fagaceae. It is a tree endemic to Colombia. The genus Trigonobalanus is related to the true oaks (Quercus) and includes three known species, T. excelsa and two species native to Southeast Asia. [1]
Quercus nigra is a medium-sized deciduous tree, growing up to 30 meters (98 feet) tall with a trunk up to 1 m (3 ft 3 in) in diameter. Young trees have a smooth, brown bark that becomes gray-black with rough scaly ridges as the tree matures. The leaves are alternate, simple and tardily deciduous, remaining on the tree until mid-winter; they are ...