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Although called a white oak, it is very unusual to find an individual specimen with white bark; the usual colour is a light gray. The name comes from the colour of the finished wood. In the forest it can reach a magnificent height and in the open it develops into a massive broad-topped tree with large branches striking out at wide angles. [5]
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 ...
The bark is dark gray and deeply furrowed. The leaves are 8–20 centimetres (3 + 1 ⁄ 4 – 7 + 3 ⁄ 4 inches) long and 3–6 cm (1 + 1 ⁄ 4 – 2 + 1 ⁄ 4 in) wide, with 14–20 small saw-tooth-like triangular lobes on each side, with teeth of very regular shape. [3] The flowers are wind-pollinated catkins.
It is in the white oak section, Quercus sect. Quercus, and is also called mossycup oak, mossycup white oak, blue oak, or scrub oak. The acorns are the largest of any North American oak (thus the species name macrocarpa , from Ancient Greek μακρός makrós "large" and καρπός karpós "fruit"), and are important food for wildlife.
Quercus garryana is an oak tree species named for Nicholas Garry, deputy governor of the Hudson's Bay Company.It is commonly known as the Garry oak, Oregon white oak or Oregon oak.
Leaves: Are alternate, evergreen, simple, and narrowly oblong to lanceolate. They are usually 5–10 centimetres (2 to 4 inches) long, with edges revolute. Occasionally there are a few shallow teeth, a narrow pointed tip, and a leathery texture. They are usually a shiny yellow-green on top and white or silvery on the bottom. [8]
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 .
Quercus stellata, the post oak or iron oak, is a North American species of oak in the white oak section. It is a slow-growing oak that lives in dry areas on the edges of fields, tops of ridges, and also grows in poor soils, and is resistant to rot, fire, and drought. Interbreeding occurs among white oaks, thus many hybrid species combinations ...