Species Details

Chorizanthe spinosa

Mojave spineflower

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Classification

Scientific Name: Chorizanthe spinosa Wats.
Common Name: Mojave spineflower
Family:	Polygonaceae
Element Code:	PDPGN040R0
USDA Plants Symbol:	CHSP
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	4.2
Fed List:	None
State List:	None
Global Rank:	G4
State Rank:	S4
Other Status:
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2021-11-05

Ecology and Life History

Lifeform: annual herb

Blooming Period: Mar-Jul

Elevation:
6 - 1300 meters
20 - 4265 feet

General Habitats:

Chenopod scrub
Joshua tree "woodland"
Mojavean desert scrub
Playas

Microhabitat Details:

Microhabitat:

Alkaline (sometimes)

Notes

Notes: Threatened by vehicles, road maintenance, development, and illegal dumping. Potentially threatened in Kramer Junction by solar development. See Flora of California 2:481 (1880) by S. Watson for original description, and Phytologia 66(2):109-110 (1989) for taxonomic treatment.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	0
	Total EOs	% of EOs
EOs with Threat Listed:	0	0 %

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					0
A	B	C	D	X	U
0	0	0	0	0	0

Occurrence Status:
Historical >20 Years	0
Recent <=20 Years	0

Presence:
Presumed Extant	0
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Kern (KRN), Los Angeles (LAX), San Bernardino (SBD), San Luis Obispo (SLO), Sonoma (SON)

Quads: Name (Quad Code)
Adelanto (3411754), Astley Rancho (3411774), Barstow (3411781), Barstow SE (3411771), Bissell (3411881), Boron (3511716), Boron Ne (3511725), California City North (3511728), Cantil (3511738), Cinco (3511831), Dove Spring (3511841), Edwards (3411788), Elkhorn Hills (3511915), Galileo Hill (3511727), Garlock (3511747), Hesperia (3411743), Hinkley (3411782), Jackrabbit Hill (3411776), Klinker Mtn. (3511745), Kramer Hills (3411784), Kramer Junction (3411785), La Liebre Ranch (3411876), Lancaster East (3411861), Lancaster West (3411862), Leuhman Ridge (3411786), Little Buttes (3411873), Lockhart (3511713), Lucerne Valley (3411648), Mojave (3511812), Nebo (3411688), North Edwards (3511717), Palmdale (3411851), Red Buttes (3411775), Red Mountain (3511735), Redman (3411778), Rogers Lake North (3411787), Rogers Lake South (3411777), Rosamond (3411872), Rosamond Lake (3411871), Saddleback Mtn. (3511715), Saltdale NW (3511748), Saltdale SE (3511737), Sanborn (3511811), Soledad Mtn. (3411882), The Buttes (3511714), Twelve Gauge Lake (3411783), Water Valley (3511712), Wild Crossing (3411773), Willow Springs (3411883)

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

Click on quad for name. Hold Shift Key to use mouse scroll wheel

CNPS Rare Plant Inventory