California Hazel, California Hazelnut
Corylus cornuta var. californica
Synonyms: Corylus californica, Corylus cornuta ssp. californica, Corylus cornuta var. glandulosa, Corylus rostrata var. californica, Corylus rostrata var. tracyi
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California hazelnut observed in bloom along the Klickitat Trail in upper Swale Canyon about two miles downstream from the Harms Road Trailhead........March 8, 2020.
Close-up of a male catkin of California hazelnut as seen high in the Labyrinth, mid-Columbia River Gorge.........February 28, 2010.
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Additional views of California hazelnut as seen high in the Labyrinth, mid-Columbia River Gorge........February 28, 2010. Note the single male catkins of this species.
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Close-ups of the leaves and fringed bract or sheath that surrounds the developing filbert as seen along the Springwater Trail between Palmblad Road and Rugg Road in southern Multnomah County, Oregon.........July 8, 2011.
Male catkins (single, not clustered in this species) of California hazelnut as seen along the Wahclella Falls Trail, Columbia River Gorge...............March 7, 2013. The reddish female flowers can be seen one node behind the male catkins on each separate branch.
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Close-ups of the leaves and fringed bract or sheath that surrounds the developing nut of Californica filbert.
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Devloping male catkins of California filbert as seen at left along equestrian trails at Beacon Rock State Park........November 13, 2018. The flowers of this species typically don't bloom until late February to mid-March at this location.
The photo at right shows the developing male catkins of California filbert as seen along the Klickitat Trail about one-half mile north of the falls at Fisher Hill Bridge, Klickitat County, WA......Noember 11, 2020.
Paul Slichter