Taxon  Report   5909    
Oenothera villosa  Thunb.  ssp. strigosa  (Rydb.) W. Dietr. & P. H. Raven
Hairy evening primrose
Oenothera villosa ssp. strigosa, a dicot, is a perennial herb that is native to California, and also found elsewhere in western North America.
also called Oenothera biennis
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial

Bloom Period
Family: Onagraceae  
Genus: Oenothera
Parent: Oenothera villosa

Wetlands: Equally likely to occur in wetlands and non wetlands

Communities: Mixed Evergreen Forest

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
PLANTSOenothera biennis var. strigosa
JEFOenothera biennis
PLANTSOenothera cheradophila
PLANTSOenothera depressa ssp. strigosa
JEFOenothera hookeri
More information about  Oenothera villosa ssp. strigosa

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2021. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: 10/22/2021).