Species Details

Chorizanthe palmeri

Palmer's spineflower

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Scientific Name:
Chorizanthe palmeri Wats.
Common Name:
Palmer's spineflower
Family: Polygonaceae
Element Code: PDPGN040H0
USDA Plants Symbol: CHPA8
Synonyms/Other Names:
Lifeform: annual herb
Blooming Period: Apr-Aug
55 - 945 meters
180 - 3100 feet
General Habitats:
  • Chaparral
  • Cismontane woodland
  • Valley and foothill grassland
Microhabitat Details:
  • Rocky
  • Serpentinite
Does plant occur in SBT Co.? Isolated populations show local differences. Taxonomic revision in Phytologia 66(4):295-441 (1989) indicates species occurs mainly in the Santa Lucia Mtns. of MNT and SLO counties. See Proceedings of the American Academy of Arts and Sciences 12:271 (1877) for original description, and Phytologia 66(2):135-137 (1989) for taxonomic treatment.
Total Occurrences: 0
Element Occurrence Ranks:
0 0 0 0 0 0
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 0
Presumed Extant 0
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Kern (KRN), Monterey (MNT), San Luis Obispo (SLO), Santa Barbara (SBA)
Quads: Name (Quad Code)
Alder Peak (3512183), Arroyo Grande NE (3512025), Atascadero (3512046), Bryson (3512171), Burnett Peak (3512172), Burro Mountain (3512173), Cape San Martin (3512184), Casmalia (3412075), Cayucos (3512048), Cone Peak (3612114), Cypress Mountain (3512058), Goleta (3411947), Guadalupe (3412085), Jolon (3512182), Lake Isabella South (3511854), Lopez Mtn. (3512035), Lopez Point (3612115), Morro Bay North (3512047), Morro Bay South (3512037), Oceano (3512015), Paso Robles (3512066), Pebblestone Shut-in (3512161), Piedras Blancas (3512163), Pismo Beach (3512026), Port San Luis (3512027), San Luis Obispo (3512036), San Simeon (3512162), Santa Barbara (3411946), Santa Margarita Lake (3512034), Shedd Canyon (3512054), Tar Spring Ridge (3512024), Templeton (3512056), Tranquillon Mtn. (3412055), Villa Creek (3512174), Williams Hill (3512181), York Mountain (3512057)
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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