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Taxon  Report  
Oenothera biennis  L.
Common evening primrose,   Small flowered evening primrose
Oenothera biennis is a perennial herb that is not native to California.
also called Oenothera villosa ssp. strigosa
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 graphic
Bloom Period
Genus: Oenothera
Family: Onagraceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Wetlands: Occurs usually in non wetlands, occasionally in wetlands

Communities: Mixed Evergreen Forest

Name Status:
Accepted by JEF + PLANTS
Alternate Names:
PLANTSOenothera biennis ssp. caeciarum
PLANTSOenothera biennis ssp. centralis
PLANTSOenothera biennis var. pycnocarpa
PLANTSOenothera muricata
PLANTSOenothera pycnocarpa
Information about  Oenothera biennis from other sources

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2023. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 06/10/2023).