Quercus kelloggii - Wikipedia
Quercus kelloggii, the California black oak or Kellogg oak, is an oak in the red oak section (genus Quercus, section Lobatae, series Agrifoliae) native to western North America.
California Black Oak (Quercus kelloggii) - Oregon State University
California black oak acorns mature during the second summer after pollination. The acorns are 0.7 to 1.7 in. long and 0.4 to 1.5 in. wide, and number from 52 to 147/lb. Acorns should be collected from late September to early November.
Black Oak - Calscape
The California Black Oak gets its name from the dark bark color of mature trees. It has distinctive, deeply lobed leaves that turn brilliant shades of yellow and orange in the fall. It is a large deciduous tree that can grow up to 80 feet tall. It also has a large, spreading root system.
California Black Oak - US Forest Service Research and Development
On the Shasta-Trinity National Forests in California, a prescribed burn in March 1978 resulted in a bumper crop of sound black oak acorns, while trees on unburned ground nearby bore only unsound acorns.
California black oak is a deciduous, hardwood tree with a broad rounded crown from 10-25 m. high. It is the largest mountain oak in the West and surpasses all other California oaks in volume, distribution, and altitudinal range. The trunk bark is dark and covered with small plates.
California Oak Trees (With Pictures) – Identification Guide - Leafy …
2023年4月27日 · This native California black oak tree is easy to identify thanks to its large egg-shaped acorns measuring 1” to 1.5” (2.5 – 4 cm) long. The California black oak thrives throughout the state, from the Pacific Ocean in the west to the Nevada desert in the east.
How to Identify and Forage for Acorns in California
2023年12月2日 · California Black Oak (Quercus kelloggii) Acorns: In two years, it will have a rounded tip (ignoring the little spine on the end). The acorn cap is usually as deep as it is wide, encompassing the majority of the acorn shell and covered with scales and little to no hair [1,2].
Quercus kelloggii - Landscape Plants | Oregon State University
Deciduous tree, 40-80 ft (12-24 m), open, rounded crown, may be a shrub at high elevations, to 15 ft (4.5 m). Bark dark gray or black, smooth on young trees and broad, irregularly plated ridges.
Quercus kelloggii Newb., California black oak | US Forest Service ...
Acorns of California black oak were carried from San Francisco to England in 1878. Thirty-two years later, trees from these acorns were described as being 30 feet tall and making good growth. Citation
Nature's Notebook: California Black Oak - USA-NPN
This deciduous oak grows 9 to 25 meters tall. The dark grey-brown bark is deeply furrowed and checkered. The leaves are 9 to 20 centimeters long with 6 deep lobes, each lobe margin with 1 to 4 course teeth. The upper surface of the leaves is bright green and glabrous and the underside is pale green. This species is wind-pollinated and monoecious.
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