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Berkeley, CA 94707
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  Nature Elective


California Hazel
Corylus cornuta var. californica


First posted June 26, 2004 Last updated June 26, 2004

 

The California hazel is a decidious shrub that grows to about 10 to 30 feet. It is found along the California coast, from the Cazadero region north to southern Canada. The leaf is alternate, have rounded bases, and sharply pointed tips. Their softness and fine double-toothed margins are characteristic features It flowers from April to May, so by the time you are at camp, you will see it as at right: the flowers have fallen off and the nuts are not yet ripe. They are contained in a hairy husk. The hairs are rather stiff and likely to be prickly when you pick the nuts, but are not painful, though you may think them bothersome. The California hazel likes dappled sunshine, so you will find it at the edges of the forest. It prefers some moisture, but will be found with the Douglas-fir, uphill of the Austin Creek Road. This specimen was found on the right side of the logging road into our upper acres, about 300 yards from Austin Creek Road.

California hazel, photographed along the logging road into our upper acres,
June 26, 2004.


Here you can notice the leaf shape and serrated margin. The undisturbed fruit is at left. The one on the right has been partly peeled, to reveal the developing nut inside. It is shaped, sized, and marked like a filbert. The nut is edible and said to be quite good, tasting like a hazelnut or a filbert. They ripen in mid to late autumn. According to the US Forest Service, the nuts are a staple food of the Steller's Jay, chickaree, and squirrels.



California hazel distribution

 

References

There is not much written on the California hazel.

McGill University's Biodiversity website.
Ibiblio's webpage on the California hazel give just a bit of information.

Acknowledgments

The distribution diagram is from McGill University.