Calflora, a 501c3 non-profit
Distribution by County   12089    
Tetrapteron palmeri  (S. Watson) W.L. Wagner & Hoch
Palmer's sun cup ,   Palmer's evening primrose
Tetrapteron palmeri is an annual herb that is native to California, and also found elsewhere in western North America.
also called Camissonia palmeri

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]. 2023. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: 10/03/2023).