California
Black Oak Characteristics
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Scientific name Quercus kelloggii Newb. Common names Black, California black oak Height 60 to 90 feet Mature Tree DBH (Diam. at Breast Ht.) 1 to 4 feet Longevity 100-200 yrs., occasionally up to 500 yrs. Sprouting Excellent sprouter
Acorn Matures second year; 1-1/2 in. long; thin cup over half the nut Foliage Deciduous; 5 in. long; 5-7 lobed; spiny leaf tips; dark yellow-green above and pale yellow-green below Shade Tolerance Intermediate tolerance as seedling and intolerant as tree matures Fire Tolerance Very sensitive to cambium being killed in hot fires Elevation 200 to 6000 feet Associates Most common with tanoak, madrone, mixed conifer forest species;, also with coast live oak, interior live oak, and blue oak Sites More common on forest sites; found on moister hardwood rangelands; well-drained soils General Notes Protected by Forest Practice Act on timberlands; commercial properties for finished lumber |
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