Calflora
Taxon  Report   2050    
Chorizanthe rigida  (Torr.) Torr. & A. Gray
Devil's spineflower,  Rigid spiny herb
Chorizanthe rigida
© 2006 Steve Matson
Photos from
CalPhotos / Calflora
Chorizanthe rigida
© 1988 Gary A. Monroe
Chorizanthe rigida, 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
Chorizanthe rigida
© 2008 Aaron Schusteff
Family: POLYGONACEAE  
Genus: Chorizanthe
Communities: Creosote Bush Scrub
Name Status:
Accepted by JEF + PLANTS

Alternate Names:
PLANTS: Acanthogonum rigidum
More information about  Chorizanthe rigida
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

ITIS Original Publication citation

USDA PLANTS Profile (CHRI)

Search the International Plants Names Index

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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: Dec 19, 2018).