Calflora, a 501c3 non-profit
Distribution by County   5896    
Oenothera elata  Kunth  ssp. hirsutissima  (S. Watson) W. Dietr.
Evening primrose,   Hairy evening primrose,   Hooker's evening primrose
Oenothera elata ssp. hirsutissima is a perennial herb that is native to California, and also found elsewhere in western North America.

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]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: 06/17/2024).