Taxon  Report   12088    
Tetrapteron graciliflorum  (Hook. & Arn.) W.L. Wagner & Hoch
Hill sun cup
Tetrapteron graciliflorum
© 2007 Neal Kramer
Photos from
CalPhotos / Calflora
Tetrapteron graciliflorum
© 2005 Keir Morse
Tetrapteron graciliflorum
© 2007 Neal Kramer
Tetrapteron graciliflorum, 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
(observation details)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Tetrapteron graciliflorum
© 2009 Keir Morse
Genus: Tetrapteron
Communities: Valley Grassland, Foothill Woodland, Joshua Tree Woodland

Habitat: slopes

Name Status:
Accepted by JEF

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

Records from the Consortium of California Herbaria

Search (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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Dec 15, 2018).