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Quercus alba, the white oak, is one of the preeminent hardwoods of eastern and central North America. It is a long-lived oak, native to eastern and central North America and found from Minnesota, Ontario, Quebec, and southern Maine south as far as northern Florida and eastern Texas. [3]
The bark resembles that of the white oak. The leaves are broad ovoid, 12–18 centimetres (4 + 3 ⁄ 4 –7 inches) long and 7–11 cm (2 + 3 ⁄ 4 – 4 + 1 ⁄ 4 in) broad, always more or less glaucous on the underside, and are shallowly lobed with five to seven lobes on each side, intermediate between the chestnut oak and the white oak. In ...
Quercus lobata Née – valley oak or California white oak – California; Quercus lusitanica Lam. – gall oak or Lusitanian oak – Iberia, North Africa; Quercus lyrata Walter – overcup oak – eastern North America; Quercus × macdonaldii Greene & Kellogg – California; Quercus macdougallii Martínez – Mexico; Quercus macranthera Fisch ...
Quercus myrsinifolia is an evergreen oak tree that grows up to 20 metres (66 ft) tall. Leaves are 60–110 × 18–40 mm with serrulate margins; the petiole is 10–25 mm long. The acorns are ovoid to ellipsoid, 14–25 × 10–15 mm, and glabrous with a rounded apex; the flat scar is approx. 6 mm in diameter.
Members of the section may be called white oaks. The section includes all white oaks from North America (treated by Trelease as subgenus Leucobalanus). [2] The staminate flowers have seven or more stamens. The acorns mature in one year. The seed leaves are either free or fused together. The cup at the base of the acorn has thickened triangular ...
Gall on Oregon white oak, Sonoma County. Oregon white oak woodlands in British Columbia and Washington are critical habitats for a number of species that are rare or extirpated in these areas, plant, animal, and bryophyte: [15] [16] [17] Propertius duskywing butterfly Erynnis propertius, sole larval food plant is oak
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Quercus × bimundorum (or Quercus bimundorum), known as two worlds oak, is a naturally occurring hybrid of white oak, Quercus alba (from the New World), and pedunculate oak, Quercus robur (introduced from the Old World). It occurs sporadically where they come in contact in the United States. [2]