Taxon  Report   2751    
Dodecahema leptoceras  (A. Gray) Reveal & Hardham
Slender horned spineflower,  Slenderhorn spineflower
Dodecahema leptoceras
© 2008 Aaron Schusteff
Photos from
CalPhotos / Calflora
Dodecahema leptoceras
© 2012 Anuja Parikh and Nathan Gale
Dodecahema leptoceras
© 2012 Anuja Parikh and Nathan Gale
Dodecahema leptoceras, a dicot, is an annual herb that is native to California, is endemic (limited) to California.
also called Centrostegia leptoceras
CNPS Rare Plant Rank: 1B.1 (rare, threatened, or endangered in CA and elsewhere).   8th Edition

It is listed by the State of California as Endangered and by the Federal Government as 'Endangered '.

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations

Bloom Period
Dodecahema leptoceras
© 2010 Justin M. Wood
Genus: Dodecahema
Communities: Chaparral, Coastal Sage Scrub

Habitat: alluvial-fans

Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
PLANTS: Chorizanthe leptoceras
PLANTS: Eriogonella leptoceras
CNPS + PLANTS: Centrostegia leptoceras
More information about  Dodecahema leptoceras
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 20, 2019).