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Quercus garryana is typically of medium height, growing slowly to around 80 feet (24 metres) and occasionally as high as 100 ft (30 m), or in shrub form to 10 to 15 ft (3.0 to 4.6 m) tall. The trunks grow to 3 ft (0.91 m) thick, exceptionally 5 ft (2 m). The bark is gray and fissured. [4]
Print/export Download as PDF; ... Quercus garryana, Oregon White Oak; Quercus lobata, valley oak; Shade intolerant. ... at 12:33 (UTC).
The genus Quercus contains about 500 known species, plus about 180 hybrids between them. [1] The genus, as is the case with many large genera , is divided into subgenera and sections . Traditionally, the genus Quercus was divided into the two subgenera Cyclobalanopsis , the ring-cupped oaks, and Quercus , which included all the other sections.
Download as PDF; Printable version; In other projects ... (Quercus garryana) ... 18 inches high by about 10–12 inches in diameter. The wood was the quality of ...
The greatest thickness which has been reliably measured is 75 cm (2 + 1 ⁄ 2 ft) for one in Redwood Canyon, Kings Canyon National Park. [144] However it is asserted that the basal bark of the "General Sherman" Big Tree is in places up to 1.2 m (4 ft) in thickness. [145] This could be determined non-invasively with sonograph equipment.
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Quercus sect. Lobatae was established by John Claudius Loudon in 1830. [3] The section, or part of it, has also been treated under names including Quercus sect. Rubrae Loudon and Quercus sect. Erythrobalanus Spach. It has also been treated as the subgenus Erythrobalanus and as the full genus Erythrobalanus (Spach) O.Schwarz. Its members may be ...
Quercus × subconvexa J.M.Tucker [ 1 ] Quercus × subconvexa is a naturally-occurring hybrid oak resulting from a cross between Q. durata and Q. garryana , found in California.