Species Details

Cleomella palmeri

Palmer's jackass-clover

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Species Description:

Cleomella palmeri, commonly known as Palmer's jackass-clover, is a perennial deciduous shrub in the Cleomaceae that is found in California and elsewhere. It occurs within Chenopod scrub, Desert dunes, Sonoran desert scrub, and Sonoran thorn woodland, growing at elevations from 0 to 300 meters. Cleomella palmeri is ranked 2B.1, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Seriously threatened in California.

Lifeform: perennial deciduous shrub
Blooming Period: Jan-Dec
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Elevation:
0 - 300 meters
0 - 985 feet
General Habitats:
  • Chenopod scrub
  • Desert dunes
  • Sonoran desert scrub
  • Sonoran thorn woodland
Microhabitat Details:
Microhabitat:
Notes:
Threats:
Threatened by solar energy development and agriculture.
Taxonomy:
Threat List Total: 4
Total EOs % of EOs
EOs with Threat Listed: 2 50 %
THREAT LIST:
Development 2 50%
ORV activity 2 50%
Agriculture 1 25%
Groundwater pumping 1 25%
Total Occurrences: 4
Element Occurrence Ranks:
A B C D X U
1 0 0 0 0 3
Occurrence Status:
Historical >20 Years 2
Recent <=20 Years 2
Presence:
Presumed Extant 4
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
Arizona (AZ), California (CA), New Mexico (NM)
California Counties and Islands: Name (Code)
Riverside (RIV), San Diego (SDG)
Quads: Name (Quad Code)
Borrego Palm Canyon (3311634), Borrego Sink (3311623), Clark Lake (3311633), Corn Spring (3311563), East of Victory Pass (3311573), Sidewinder Well (3311562), Tubb Canyon (3311624)
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
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