Species Details

Chorizanthe parryi var. parryi

Parry's spineflower

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Classification

Scientific Name: Chorizanthe parryi S. Watson var. parryi
Common Name: Parry's spineflower
Family:	Polygonaceae
Element Code:	PDPGN040J2
USDA Plants Symbol:	CHPAP2
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.1
Fed List:	None
State List:	None
Global Rank:	G3T2
State Rank:	S2
Other Status:	BLM_S; SB_CalBG/RSABG; USFS_S
CRPR Changes: changed from 3.2 to 1B.1 on 2008-09-29
Add Date:	1994-01-01
Date Edited:	2023-08-01

Ecology and Life History

Lifeform: annual herb

Blooming Period: Apr-Jun

Elevation:
275 - 1220 meters
900 - 4005 feet

General Habitats:

Chaparral
Cismontane woodland
Coastal scrub
Valley and foothill grassland

Microhabitat Details:

Microhabitat:

Openings
Rocky (sometimes)
Sandy (sometimes)

Notes

Notes:
Threats: Threatened by altered flood regime, development, mining, non-native plants, and vehicles.
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	15
	Total EOs	% of EOs
EOs with Threat Listed:	70	47 %
Development	27	18%
Non-native plant impacts	22	14%
Other	10	6%
Mining	9	6%
ORV activity	7	4%
Grazing	7	4%
Dam/Inundation	7	4%
Road/trail construction/maint.	6	4%
Altered flood/tidal/hydrologic regime	5	3%
Disking	2	1%
Improper burning regime	2	1%
Landfill	2	1%
Vandalism/dumping/litter	2	1%
Wood cutting or brush clearing	2	1%
Over-collecting/poaching	2	1%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					150
A	B	C	D	X	U
8	14	5	3	13	107

Occurrence Status:
Historical >20 Years	71
Recent <=20 Years	79

Presence:
Presumed Extant	137
Possibly Extirpated	5
Presumed Extirpated	8

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

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

Quads: Name (Quad Code)
Alberhill (3311764), Azusa (3411728), Bachelor Mtn. (3311751), Beaumont (3311688), Blackburn Canyon (3311667), Cabazon (3311687), Cahuilla Mtn. (3311657), Cucamonga Peak (3411725), Devore (3411724), El Casco (3311781), Fontana (3411714), Forest Falls (3411618), Glendora (3411727), Green Valley (3411854), Guasti (3411715), Harrison Mtn. (3411722), Hemet (3311668), Lake Elsinore (3311763), Lake Fulmor (3311677), Lake Mathews (3311774), Lakeview (3311771), Lancaster East (3411861), Lancaster West (3411862), Mt. Baldy (3411726), Mt. Wilson (3411821), Murrieta (3311752), Palm Springs (3311675), Pasadena (3411822), Point Dume (3411817), Redlands (3411712), Riverside East (3311783), Romoland (3311762), Sage (3311658), San Bernardino North (3411723), San Bernardino South (3411713), San Jacinto (3311678), Steele Peak (3311773), Sunnymead (3311782), Vail Lake (3311648), Val Verde (3411846), White Water (3311686), Wildomar (3311753), Winchester (3311761), Yucaipa (3411711)

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:	Proposed Change from CRPR 3.2, G2T2, S2.1 to CRPR 1B.1, G3T3, S3.1 (2008)
Original Description:	Proceedings of the American Academy of Arts and Sciences 12:271 (1877)
Taxonomic Treatment:	Phytologia 66(2):147-149 (1989)