Calflora
Taxon  Report   2025    
Chorizanthe cuspidata  S. Watson  var. cuspidata 
San francisco bay spineflower,  San francisco spineflower
Chorizanthe cuspidata var. cuspidata
© 2014 Aaron Schusteff
Photos from
CalPhotos / Calflora
Chorizanthe cuspidata var. cuspidata
© 2014 Aaron Schusteff
Chorizanthe cuspidata var. cuspidata
© 2015 Neal Kramer
Chorizanthe cuspidata var. cuspidata, a dicot, is an annual herb that is native to California, is endemic (limited) to California.
CNPS Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).   8th Edition

Interactive Distribution Map


Observation Hotline
(observation details + photos)



point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations



Bloom Period
Chorizanthe cuspidata var. cuspidata
© 1998 Doreen L. Smith
Communities: Coastal Strand, Coastal Prairie, Northern Coastal Scrub

Habitat: dunes, coastal

Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
ICPN + PLANTS: Chorizanthe cuspidata var. marginata
More information about  Chorizanthe cuspidata var. cuspidata
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 (CHCUC)

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: http://www.calflora.org/   (Accessed: Oct 16, 2018).

The information on this page comes from diverse sources. None of the links are sponsored.