Taxon  Report   1865    
Centrostegia thurberi  A. Gray
Red triangles,  Thurber spiny herb, Thurber's spineflower
Centrostegia thurberi
© 2016 Keir Morse
Photos from
CalPhotos / Calflora
Centrostegia thurberi
© 2006 James M. Andre
Centrostegia thurberi
© 2016 Keir Morse
Centrostegia thurberi, 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
Centrostegia thurberi
© 2009 Keir Morse
Genus: Centrostegia
Communities: Creosote Bush Scrub, Pinyon-Juniper Woodland
Name Status:
Accepted by JEF + PLANTS

Alternate Names:
ICPN + PLANTS: Centrostegia thurberi var. macrotheca
PLANTS: Chorizanthe thurberi var. macrotheca
PLANTS: Chorizanthe thurberi
. . .
More information about  Centrostegia thurberi
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 19, 2019).