Taxon  Report   1744    
Caulanthus cooperi  (S. Watson) Payson
Cooper caulanthus,  Cooper's jewel flower, Cooper's wild cabbage
Caulanthus cooperi
© 2012 Steve Matson
Photos from
CalPhotos / Calflora
Caulanthus cooperi
© 2012 Keir Morse
Caulanthus cooperi
© 2012 Keir Morse
Caulanthus cooperi, 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
Caulanthus cooperi
© 2003 Michael Charters
Genus: Caulanthus
Communities: Creosote Bush Scrub, Joshua Tree Woodland
Name Status:
Accepted by JEF + PLANTS

Alternate Names:
ICPN: Guillenia cooperi
ICPN + PLANTS: Thelypodium cooperi
More information about  Caulanthus cooperi
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

ITIS Original Publication citation


Search the International Plants Names Index

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]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Jan 23, 2019).