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Description. The Arizona white oak is one of the largest southwestern oaks. This tree may grow to 60 feet (18 meters), with a trunk diameter of 1 m (3 ft 3 in). It has stout branches and a spreading crown. The leaves are about 8 centimetres (4 inches) long, thick, and evergreen. It grows very slowly once it has become mature, adding ...
The Mexican blue oak is a small evergreen tree growing 5–8 metres (16–27 feet) tall with a rounded crown. At higher elevations it is typically a large shrub. The trunk is up to 50 centimetres (20 inches) in diameter and the bark is light gray and densely furrowed. The twigs are yellowish brown and hairless with reddish brown buds.
Hesperocyparis arizonica was given its first scientific name and described by Edward Lee Greene in 1882 as Cupressus arizonica, placing it in genus Cupressus. [3] [5] This description was soon after disputed by Maxwell T. Masters who, in 1896, published a journal article where he said it should be considered a subspecies of Cupressus benthamii with the variety name of arizonica. [3]
Quercus gambelii, with the common name Gambel oak, is a deciduous small tree or large shrub that is widespread in the foothills and lower mountains of western North America. It is also regionally called scrub oak, oak brush, and white oak. [4][5] The common and scientific names, Gambel oak and Quercus gambelii, were named after the American ...
Styles short, acorns mature in 18 months, very bitter, inside of acorn shell woolly. [citation needed] Quercus cedrosensis — Cedros Island oak — # California + Baja California. Quercus chrysolepis — canyon live oak — # southwestern North America. Quercus palmeri — Palmer oak — # California, western Arizona.
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.
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The oak woodlands from 800–1,200 metres (2,600–3,900 ft) in elevation are warmer and drier, with evergreen oaks predominant (principally Quercus devia; Quercus arizonica and Quercus rugosa have a limited distribution), along with lower trees and shrubs such as Dodonaea viscosa, Sideroxylon peninsulare, and Buddleia crotonoides.