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Quercus variabilis is a medium-sized to large deciduous tree growing to 25–30 metres (82–98 feet) tall with a rather open crown, and thick corky bark with deep fissures and marked by sinuous ridges.
– California scrub oak – # California; Quercus bicolor Willd. – swamp white oak – eastern and midwestern North America; Quercus × bimundorum E.J.Palmer — two worlds oak; Quercus boyntonii Beadle – Boynton's post oak – south central North America; Quercus canariensis Willd. – Mirbeck's oak or Algerian oak – # North Africa & Spain
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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Quercus douglasii, known as blue oak, is a species of oak endemic to California, common in the Coast Ranges and the foothills of the Sierra Nevada. [4] It is California's most drought-tolerant deciduous oak, [5] and is a dominant species in the blue oak woodland ecosystem. It is occasionally known as mountain oak and iron oak. [6] [7]
Hooker Oak was an extremely large valley oak tree (Quercus lobata) in Chico, California. Amateur botanist and local socialite Annie Bidwell , whose husband had founded Chico, named the tree in 1887 after English botanist and Director of the Royal Botanical Gardens Sir Joseph Dalton Hooker .
The largest of the tree species in this virgin timbershed was the white oak (Quercus alba), which often exceeded 100 feet (30 m) in height and 6 feet (1.8 m) in diameter. [1] While the white oak's range encompasses most of the Eastern United States, the most favorable environments for its growth are on the western slopes of the Appalachian ...
Quercus hypoleucoides, the silverleaf oak or the whiteleaf oak, is a North American species of oak tree or shrub. It grows in the southwestern United States and ...