Species Details

Chorizanthe breweri

Brewer's spineflower

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Scientific Name:
Chorizanthe breweri Wats.
Common Name:
Brewer's spineflower
Family: Polygonaceae
Element Code: PDPGN04050
USDA Plants Symbol: CHBR2
Synonyms/Other Names:
Lifeform: annual herb
Blooming Period: Apr-Aug
Elevation:
45 - 800 meters
150 - 2625 feet
General Habitat:
  • Closed-cone coniferous forest
  • Chaparral
  • Cismontane woodland
  • Coastal scrub
General Micro Habitat:
Micro Habitat:
  • Gravelly (sometimes)
  • Rocky (sometimes)
  • Serpentinite
Notes:
Threatened by pipeline construction. Possibly threatened by road construction, road maintenance, and vehicles. Closely related to C. staticoides. See Proceedings of the American Academy of Arts and Sciences 12:270 (1877) for original description, and Phytologia 66(2):163-164 (1989) for taxonomic treatment.
Threats:
Taxonomy:
Other:
Total Occurrences: 45
Element Occurrence Ranks:
A B C D X U
9 8 3 0 0 25
Occurrence Status:
Historical >20 Years 24
Recent <=20 Years 21
Presence:
Presumed Extant 45
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Monterey (MNT), San Luis Obispo (SLO)
Quads: Name (Quad Code)
Arroyo Grande NE (3512025), Atascadero (3512046), Burro Mountain (3512173), Lopez Mtn. (3512035), Morro Bay South (3512037), Pismo Beach (3512026), Port San Luis (3512027), San Luis Obispo (3512036), Santa Margarita (3512045), Santa Margarita Lake (3512034)
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.

Map

Presumed Extant
Counties   Quads