Taxon  Report   2025    
Chorizanthe cuspidata  S. Watson  var. cuspidata 
San francisco bay spineflower,  San francisco spineflower
Chorizanthe cuspidata var. cuspidata, a dicot, is an annual herb that is native to California and and is endemic (limited) to California.
California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).   CNPS Inventory
Observation Search
(92 records)
one or more occurrences
within a 7.5-minute quadrangle

Bloom Period
Habitat: dunes, coastal

Communities: Coastal Strand, Coastal Prairie, Northern Coastal Scrub

Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
JEF + PLANTS: Chorizanthe cuspidata var. marginata
JEF: Chorizanthe pungens var. cuspidata
More information about  Chorizanthe cuspidata var. cuspidata
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora


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]. 2020. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Jun 06, 2020).