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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 northern Mexico. It grows in the southwestern United States and northern Mexico.
Its foliage is remarkable for its size, among the largest of all oaks, consisting of a short hairy petiole, 1–1.5 centimetres (3 ⁄ 8 – 5 ⁄ 8 inch) long, and a blade 10–40 cm (4– 15 + 1 ⁄ 2 in) long and 15–30 cm (6–12 in) broad, with a shallowly lobed margin; the form is reminiscent of an enormous pedunculate oak leaf. The ...
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]
Quercus chrysolepis, commonly termed canyon live oak, canyon oak, golden cup oak or maul oak, is a North American species of evergreen oak.Its leaves are a glossy dark green on the upper surface with prominent spines; a further identification arises from the leaves of canyon live oak being geometrically flat.
– 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
A variety of insects feed on the Myrtle Oak including oak skeletonizer, leaf miner, galls, oak lace bugs, borers, and caterpillars. [9] Burrowing beach mice threaten acorns even when protected by cages. [26] Hibiscus mealybugs are also known to host in the tree. [27] Like all oaks, Quercus myrtifolia is susceptible to oak wilt. [9]
Quercus sinuata var. sinuata (Latin quercus, "oak" + sinuata, species epithet from nominative feminine singular of Latin sinuatus [12], participle of sinuo, "to bend or bow out in curves" [13] + var. (variety or varietas) sinuata, to distinguish this taxon from the generally more shallowly lobed variety of this species, var. breviloba) is an ...
The leaves of the swamp chestnut oak are simple (not compound), 4–11 inches (10–28 centimetres) long and 2–7 in (5–18 cm) broad, with 15–20 lobe-like, rounded simple teeth on each side, similar to those of chestnut oak and chinkapin oak (Quercus muehlenbergii), although they generally do not achieve the more slender form that the leaves of those trees may exhibit at times.