Species Details

Chorizanthe blakleyi

Blakley's spineflower

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Scientific Name:
Chorizanthe blakleyi Hardham
Common Name:
Blakley's spineflower
Family: Polygonaceae
Element Code: PDPGN04030
USDA Plants Symbol: CHBL
Synonyms/Other Names:
Lifeform: annual herb
Blooming Period: Apr-Jun
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Elevation:
600 - 1600 meters
1970 - 5250 feet
General Habitats:
  • Chaparral
  • Pinyon and juniper woodland
Microhabitat Details:
Microhabitat:
Notes:
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.
Threats:
Taxonomy:
Threat List Total: 5
Total EOs % of EOs
EOs with Threat Listed: 3 25 %
THREAT LIST:
Foot traffic/trampling 2 16%
Non-native plant impacts 1 8%
ORV activity 1 8%
Recreational use (non-ORV) 1 8%
Road/trail construction/maint. 1 8%
Total Occurrences: 12
Element Occurrence Ranks:
A B C D X U
0 3 1 0 0 8
Occurrence Status:
Historical >20 Years 11
Recent <=20 Years 1
Presence:
Presumed Extant 12
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Santa Barbara (SBA), Ventura (VEN)
Quads: Name (Quad Code)
Bates Canyon (3411988), Caliente Mtn. (3511917), Hurricane Deck (3411977), New Cuyama (3411986), Peak Mountain (3411987), Reyes Peak (3411963), Salisbury Potrero (3411976), Taylor Canyon (3511918)
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.
Presumed Extant
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