Taxon Details

Oenothera cavernae

cave evening-primrose

  View Report   Copy Link Calflora eFlora CCH CalPhotos iNaturalist
Photo of Oenothera cavernae
© 2008 James M Andre
Photo of Oenothera cavernae
© 2008 James M Andre
Photo of Oenothera cavernae
© 2013 Duncan S Bell

Taxon Summary:

Oenothera cavernae, commonly known as cave evening-primrose, is a annual herb in the Onagraceae that is found in California and elsewhere. It occurs within Great Basin scrub, Joshua tree "woodland", and Mojavean desert scrub, growing at elevations from 760 to 1280 meters. Oenothera cavernae is ranked 2B.1, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Seriously threatened in California.

CA Rare Plant Rank: 2B.1
Fed List: None
State List: None
Global Rank: G2G3
State Rank:
S1
Other Status: SB_CalBG/RSABG
CRPR Changes:
added to 2.1 on 2008-08-12
Add Date: 2008-08-12
Date Edited: 2023-05-02
Lifeform: annual herb
Blooming Period: Mar-Nov
JFMAMJJASOND
Elevation:
760 - 1280 meters
2495 - 4200 feet
General Habitats:
  • Great Basin scrub
  • Joshua tree "woodland"
  • Mojavean desert scrub
Microhabitat Details: often calcareous
Microhabitat:
  • Gravelly
Notes:
Threats:
Threatened by energy development. Possibly threatened by grazing and mining.
Taxonomy:
Not in The Jepson Manual (1993).
Threat List Total: 3
Total EOs % of EOs
EOs with Threat Listed: 3 50 %
THREAT LIST:
Grazing 2 33%
Mining 2 33%
Development 1 16%
Total Occurrences: 6
Element Occurrence Ranks:
A B C D X U
1 0 1 0 0 4
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 6
Presence:
Presumed Extant 6
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
Arizona (AZ), California (CA), Nevada (NV), Utah (UT)
California Counties and Islands: Name (Code)
San Bernardino (SBD)
Quads: Name (Quad Code)
Clark Mtn. (3511555), Ivanpah Lake (3511554), State Line Pass (3511564)
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
}