Dodecahema leptoceras Calflora

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Taxon Report

Dodecahema leptoceras (A. Gray) Reveal & Hardham

Slender horned spineflower, Slenderhorn spineflower

2021 Ron Vanderhoff

2010 Justin M. Wood

2008 Aaron Schusteff

2012 Anuja Parikh and Nathan Gale

Dodecahema leptoceras is an annual herb that is native to California, and endemic (limited) to California.

also called Centrostegia leptoceras

California Rare Plant Rank: 1B.1 (rare, threatened, or endangered in CA and elsewhere).

State of California status: Endangered. Federal status: Endangered.


	Plant Range Observation Search (104 records) Plant Characteristics one or more occurrences within a 7.5-minute quadrangle

Bloom Period

Photos on Calflora


Genus:	Dodecahema
Family:	Polygonaceae
Category:	angiosperm
PLANTS group:	Dicot
Jepson eFlora section: eudicot

Habitat: alluvial-fans

Communities: Coastal Sage Scrub, Chaparral

Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:


CNPS	Centrostegia leptoceras, Chorizanthe leptoceras
JEF + PLANTS	Centrostegia leptoceras
JEF + PLANTS	Chorizanthe leptoceras
PLANTS	Eriogonella leptoceras

Information about Dodecahema leptoceras from other sources


Nursery availability from CNPLX Commercial availability unknown. Jepson eFlora USDA PLANTS Profile (DOLE) Photos on Calflora Photos on CalPhotos Google Images Photos on iNaturalist ID Tips on PlantID.net	ITIS Original Publication citation International Plants Names Index Search efloras.org (Flora of North America) Landscape information from Calscape BONAP Distribution Map CNPS Inventory: 1B.1 Consortium of California Herbaria 2	Add an Observation Location Suitability Planting Guide Distribution by County
photos / record / common / links

Suggested Citation

Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2023. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/ (Accessed: 11/28/2023).