Calflora
Taxon  Report   12089    
Tetrapteron palmeri  (S. Watson) W.L. Wagner & Hoch
Palmer's evening primrose,  Palmer's sun cup
Tetrapteron palmeri
© 2006 Chris Wagner, SBNF
Photos from
CalPhotos / Calflora
Tetrapteron palmeri
© 2011 Neal Kramer
Tetrapteron palmeri
© 2012 Neal Kramer
Tetrapteron palmeri, a dicot, is an annual herb that is native to California, is also found outside of California, but is confined to western North America.

Interactive Distribution Map


Observation Hotline
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point, line, or polygon

Plant Characteristics
and Associations



Bloom Period
Tetrapteron palmeri
© 2013 Xeric Specialties
Family: ONAGRACEAE  
Genus: Tetrapteron
Communities: Creosote Bush Scrub, Joshua Tree Woodland, Foothill Woodland
Name Status:
Accepted by JEF

Alternate Names:
ICPN: Camissonia palmeri
ICPN: Oenothera palmeri
More information about  Tetrapteron palmeri
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on PlantID.net   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

Search efloras.org (Flora of North America)

website references from Google


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]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: Jan 18, 2019).