Species Details

Camissonia benitensis

San Benito evening-primrose

  Download Report   Calflora    eFlora    CCH    CalPhotos  
Photo of Camissonia benitensis
© 2005 David A Tharp
Photo of Camissonia benitensis
© 2005 David A Tharp
Photo of Camissonia benitensis
© 2006 Aaron Schusteff
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
JFMAMJJASOND
Elevation:
600 - 1280 meters
1970 - 4200 feet
General Habitats:
  • Chaparral
  • Cismontane woodland
  • Valley and foothill grassland
Microhabitat Details: serpentinite alluvium
Microhabitat:
  • Carbonate (sometimes)
  • Gravelly (sometimes)
  • Serpentine
Notes:
Federally listed on 1985-02-12; Delisted due to Recovery on 2022-03-07. Known only from the New Idria area. Previously 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:
Threat List Total: 8
Total EOs % of EOs
EOs with Threat Listed: 14 23 %
THREAT LIST:
ORV activity 11 18%
Recreational use (non-ORV) 5 8%
Other 4 6%
Grazing 4 6%
Non-native plant impacts 3 5%
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.
Presumed Extant
Click on quad for name. Hold Shift Key to use mouse scroll wheel