Species Details

Camissonia benitensis

San Benito evening-primrose

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Scientific Name:
Camissonia benitensis Raven
Common Name:
San Benito evening-primrose
Family: Onagraceae
Element Code: PDONA03030
USDA Plants Symbol: CABE7
Synonyms/Other Names:
Lifeform: annual herb
Blooming Period: Apr-Jun
Elevation:
600 - 1280 meters
1970 - 4200 feet
General Habitat:
  • Chaparral
  • Cismontane woodland
  • Valley and foothill grassland
General Micro Habitat: serpentinite alluvium
Micro Habitat:
  • Carbonate (sometimes)
  • Gravelly (sometimes)
  • Serpentinite
Notes:
Known only from the New Idria area. Seriously threatened by vehicles. Protected in part at ACEC (BLM). See Contributions from the U.S. National Herbarium 37(5):332 (1969) for original description.
Threats:
Taxonomy:
Other:
Total Occurrences: 60
Element Occurrence Ranks:
A B C D X U
4 5 1 1 0 49
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 60
Presence:
Presumed Extant 60
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Fresno (FRE), Monterey (MNT), San Benito (SBT)
Quads: Name (Quad Code)
Hepsedam Peak (3612037), Hernandez Reservoir (3612047), Idria (3612046), Lonoak (3612038), Priest Valley (3612026), Rock Spring Peak (3612048), San Benito Mtn. (3612036), Santa Rita Peak (3612035)
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