Calflora
Taxon  Report   12088    
Tetrapteron graciliflorum  (Hook. & Arn.) W.L. Wagner & Hoch
Hill sun cup
Tetrapteron graciliflorum, a dicot, is an annual herb that is native to California, and also found elsewhere in western North America.
also called Camissonia graciliflora
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: Tetrapteron

Habitat: slopes

Communities: Foothill Woodland, Valley Grassland, Joshua Tree Woodland

Name Status:
Accepted by JEF
Alternate Names:
JEFCamissonia graciliflora
JEFOenothera graciliflora
More information about  Tetrapteron graciliflorum
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora


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]. 2022. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 05/28/2022).