california hazelnut

Corylus cornuta ssp. californica

Member of beaked hazelnut (Corylus cornuta)
hazels (genus Corylus)
birch family (family Betulaceae)
dicots (class Magnoliopsida)
red, other colors in flowering plants

beak < 3 cm
common

Toxicity of filbert, hazelnut (Corylus spp.):
1 – Skin contact with these plants can cause symptoms ranging from redness, itching, and rash to painful blisters like skin burns.

Chris’s observations: 22 (16 are research grade)

Locations:

Henry Cowell Redwoods SP - Fall Creek Unit: 2
Huckleberry Botanic RP: 2
Murray Ranch SP: 2
Purisima Creek Redwoods OSP: 2
Russian Ridge OSP: 2
San Pedro Valley CP: 2
Skyline Ridge OSP: 2
Bear Creek Redwoods OSP
Castle Rock SP
Dr. Aurelia Reinhardt Redwood RP
Sam McDonald CP
Sanborn CP
Wilder Ranch SP
Windy Hill OSP
Wunderlich CP

Months:

Mar.: 2
Apr.: 0
May: 2
Jun.: 5
Jul.: 4
Aug.: 5
Sep.: 2
Oct.: 1
Nov.: 0
Dec.: 1

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Taxon info: iNaturalist – Calflora – CalPhotos – Jepson eFlora – FNA

Bay Area species: iNaturalist – Calflora