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California black oak leaf and bark. Quercus kelloggii typically grows from 9–25 meters (30–82 feet) in height and from 0.3–1.4 m (1– 4 + 1 ⁄ 2 ft) in diameter. Large trees may exceed 36 m (118 ft) in height and 1.6 m (5 ft 3 in) diameter, with the record holder measuring 38 m (124 ft) tall and 2.7 m (9 ft) thick (in the Siskiyou National Forest in Oregon). [2]
Quercus velutina (Latin 'velutina', "velvety") , the black oak, is a species of oak in the red oak group (Quercus sect. Lobatae), native and widespread in eastern and central North America. It is sometimes called the eastern black oak. [4] Quercus velutina was previously known as yellow oak due to the yellow pigment in its inner bark.
California black oak (Quercus kelloggii) - in the higher hills and mountains. Canyon live oak ( Quercus chrysolepis ) - found mainly in northern mountainous regions. Interior live oak ( Quercus wislizeni ) in the Central Valley region.
Quercus agrifolia, the California live oak, [3] or coast live oak, is an evergreen [4] live oak native to the California Floristic Province.Live oaks are so-called because they keep living leaves on the tree all year, adding young leaves and shedding dead leaves simultaneously rather than dropping dead leaves en masse in the autumn like a true deciduous tree. [5]
Coast live oak (Quercus agrifolia) Scrub oak (Quercus dumosa) Southern California black walnut (Juglans californica) California sycamore (Platanus racemosa) Box elder (Acer negundo) Willow (Salix sp.)
Coast live oak (Quercus agrifolia), Black oak (Q. kelloggii), Oregon oak (Q. garryana) Big leaf maple (Acer macrophyllum). Further inland, on north facing slopes or protected canyons, these forests are drier and generally lack tanoak, Douglas fir, and coast redwood. Species typical of the drier neighboring oak woodlands join the mix:
– California black oak – California, southwestern Oregon; Quercus laevis Walter – turkey oak – southeastern North America; Quercus laurifolia Michx. – laurel oak – # southeastern North America; Quercus laurina Bonpl. – # Mexico; Quercus marilandica (L.) Münchh. – blackjack oak – eastern North America; Quercus mcvaughii Spellenb.
The valley oak may surpass 30 meters (98 feet) in height, with a sturdy trunk possibly exceeding 3 m (10 ft) in diameter. The "Henley Oak", in Covelo, California, is the tallest known valley oak, at 47 m (153 ft). [7] [8] The branches have an irregular, spreading and arching appearance.