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Taxon  Report  
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
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: Tetrapteron
Family: Onagraceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Communities: Creosote Bush Scrub, Foothill Woodland, Joshua Tree Woodland
Name Status:
Accepted by JEF
Alternate Names:
JEFCamissonia palmeri
JEFOenothera palmeri
Information about  Tetrapteron palmeri from other sources
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

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Google Images

Photos on iNaturalist

ID Tips on PlantID.net

International Plants Names Index

Search efloras.org (Flora of North America)

Landscape information from Calscape

Consortium of California Herbaria 2


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: 06/01/2023).