Species Details

Cleomella palmeri

Palmer's jackass-clover

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Classification

Scientific Name: Cleomella palmeri (A. Gray) J.C. Hall & Roalson
Common Name: Palmer's jackass-clover
Family:	Cleomaceae
Element Code:	PDCPP09015
USDA Plants Symbol:	WIREP
Synonyms/Other Names: Wislizenia refracta Engelm. ssp. palmeri (A. Gray) S. Keller

Conservation Status

CA Rare Plant Rank:	2B.1
Fed List:	None
State List:	None
Global Rank:	G5T3T5
State Rank:	S1
Other Status:
CRPR Changes: changed from 2B.2 to 2B.1 on 2024-02-27 changed from 2.2 to 2B.2 on 2013-06-12 added to 2.2 on 2010-06-10
Add Date:	2010-06-10
Date Edited:	2024-03-06

Ecology and Life History

Lifeform: perennial deciduous shrub

Blooming Period: Jan-Dec

Elevation:
0 - 300 meters
0 - 985 feet

General Habitats:

Chenopod scrub
Desert dunes
Sonoran desert scrub
Sonoran thorn woodland

Microhabitat Details:

Microhabitat:

Notes

Notes:
Threats: Threatened by solar energy development and agriculture.
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	4
	Total EOs	% of EOs
EOs with Threat Listed:	2	50 %
Development	2	50%
ORV activity	2	50%
Agriculture	1	25%
Groundwater pumping	1	25%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					4
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

Location

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.

Regional Map

Map

Presumed Extant

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Selected References

CNPS Status Review:

CRPR List Addition on 2010-06-10