CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record chorizanthe_blakleyi - Sun, Dec. 5, 2021, 07:10 ET b
Chorizanthe blakleyi
common nameBlakley's spineflower
CalPhotos image
more photos
Donald Myrick © 1999 California Academy of Sciences  Follow image link for photo data.
life formannual herb
CA Rare Plant Rank
List 1B.3
LIST 1B: Rare, threatened, or endangered in California and elsewhere.
     0.3: Not very endangered in California
state rank
S2      ranking system key
global rank
G2     G2: 6-20 occurrences OR 1,000-3,000 individuals OR 2,000-10,000 acres
Where did the "RED" code go?
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (10):
Reyes Peak (166A) 3411963, Rancho Nuevo Creek (166B) 3411964, New Cuyama (192B) 3411986, Salisbury Potrero (192C) 3411976, Peak Mountain (193A) 3411987, Bates Canyon (193B) 3411988, Hurricane Deck (193D) 3411977, Foxen Canyon (194C) 3412072, Zaca Lake (194D) 3412071, Caliente Mountain (218D) 3511917
quad data info

Counties, states, regions:
Santa Barbara (SBA), Ventura (VEN)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Chaparral (Chprl)
•Pinyon and juniper woodland (PJWld)
blooming period Apr-Jun  
elevation range600 - 1600 meters
Possibly threatened by vehicles, recreation, road maintenance, grazing, trampling, and non-native plants. Closely related to C. palmeri. See Leaflets of Western Botany 10:95 (1964) for original description, and Phytologia 66(2):141-142 (1989) for taxonomic treatment.
full nameChorizanthe blakleyi Hardham
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  CHBL Element Code  PDPGN04030
CalFlora species this taxon    CalFlora genus related taxa
Jepson Online Jepson Interchange  Jepson Manual and other resources
Google search
search Google CNPS website    search Google entire web

Suggested citation: California Native Plant Society (CNPS). 2018. Inventory of Rare and Endangered Plants (online edition, v7-18mar). California Native Plant Society. Sacramento, CA. Accessed on Sun, Dec. 5, 2021 from

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