Species Details

Chorizanthe leptotheca

Peninsular spineflower

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Classification

Scientific Name: Chorizanthe leptotheca Goodm.
Common Name: Peninsular spineflower
Family:	Polygonaceae
Element Code:	PDPGN040D0
USDA Plants Symbol:	CHLE6
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	4.2
Fed List:	None
State List:	None
Global Rank:	G3
State Rank:	S3
Other Status:
CRPR Changes:
Add Date:	1994-01-01
Date Edited:	2021-11-05

Ecology and Life History

Lifeform: annual herb

Blooming Period: May-Aug

Elevation:
300 - 1900 meters
985 - 6235 feet

General Habitats:

Chaparral
Coastal scrub
Lower montane coniferous forest

Microhabitat Details: alluvial fan

Microhabitat:

Granitic

Notes

Notes: Much habitat already lost to development; also threatened by non-native grasses. Closely related to and difficult to distinguish from C. staticoides. See Annals of the Missouri Botanical Garden 21:61 (1934) for original description, and Phytologia 66(2):159-160 (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)
Baja California (BA), California (CA)

California Counties and Islands: Name (Code)
Kern (KRN), Los Angeles (LAX), Riverside (RIV), San Bernardino (SBD), San Diego (SDG)

Quads: Name (Quad Code)
Aguanga (3311647), Alberhill (3311764), Alpine (3211677), Anza (3311656), Barrett Lake (3211666), Beauty Mountain (3311646), Blackburn Canyon (3311667), Boucher Hill (3311638), Butterfly Peak (3311655), Cahuilla Mtn. (3311657), Cameron Corners (3211664), Campo (3211654), Corona South (3311775), Cuyamaca Peak (3211685), Descanso (3211675), Dulzura (3211667), El Cajon Mtn. (3211687), Hayfield (3311566), Hemet (3311668), Idyllwild (3311666), La Quinta (3311663), Lake Elsinore (3311763), Lake Fulmor (3311677), Lake Mathews (3311774), Live Oak Springs (3211663), Mesa Grande (3311627), Monument Peak (3211684), Morena Reservoir (3211665), Mount Laguna (3211674), Mt. Baldy (3411726), Otay Mountain (3211657), Palomar Observatory (3311637), Pechanga (3311741), Potrero (3211655), Ramona (3311617), Ranchita (3311625), Rancho Mirage (3311664), Redlands (3411712), Rodriquez Mtn. (3311628), Romoland (3311762), Sage (3311658), San Bernardino South (3411713), San Clemente (3311745), San Jacinto (3311678), San Jacinto Peak (3311676), San Pasqual (3311618), San Vicente Reservoir (3211688), Santa Ysabel (3311616), Steele Peak (3311773), Sunnymead (3311782), Tecate (3211656), Tehachapi North (3511824), Tule Springs (3211686), Vail Lake (3311648), Viejas Mountain (3211676), Warner Springs (3311636), Winchester (3311761)

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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CNPS Rare Plant Inventory