Quercus kelloggii (Californian Black Oak)
No sample available
Native: Valley and coastal mountain ranges of California and Oregon to an altitude of 2000m
Location: Grown in botanical collections in Europe.
Acorns were once the staple diet of the Californian Indians and the brittle wood used for fuel. Height to 25m or more.
Leaves 7.5-15cm long, dark shining green above, paler below.
Flower can be seen in early May with the new leaves, the females are in the leaf axils.
Acorns are 3.7cm long, deeply enclosed in the cup, take two years to form and fall around October.