Taxon  Report   4510    
Kallstroemia californica  (S. Watson) Vail
California caltrop,  California kallstroemia
Kallstroemia californica
© 2004 James M. Andre
Photos from
CalPhotos / Calflora
Kallstroemia californica
© 2013 Neal Kramer
Kallstroemia californica
© 2011 Neal Kramer
Kallstroemia californica, 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
Kallstroemia californica
© 2013 Neal Kramer
Genus: Kallstroemia
Communities: Creosote Bush Scrub
Name Status:
Accepted by JEF + PLANTS

Alternate Names:
PLANTS: Kallstroemia brachystylis
PLANTS: Kallstroemia californica var. brachystylis
More information about  Kallstroemia californica
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 16, 2019).