Taxon  Report   4511    
Kallstroemia grandiflora  Torr. ex A. Gray
Arizona caltrop,  Arizona poppy
Kallstroemia grandiflora
© 2014 Wynn Anderson
Photos from
CalPhotos / Calflora
Kallstroemia grandiflora
© 2014 Wynn Anderson
Kallstroemia grandiflora
© 2014 Wynn Anderson
Kallstroemia grandiflora, a dicot, is an annual herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Kallstroemia grandiflora
© 2013 Keir Morse
Genus: Kallstroemia
Communities: Creosote Bush Scrub
Name Status:
Accepted by JEF + PLANTS

More information about  Kallstroemia grandiflora
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
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 19, 2019).