CNPS Inventory Plant Detail

Chorizanthe blakleyi

Common Name:	Blakley's spineflower
Family:	Polygonaceae
Synonyms:
Element Code:	PDPGN04030
Full Name:	Chorizanthe blakleyi Hardham
USDA PLANTS Symbol:	CHBL

Biology
Lifeform: annual herb Blooming Period: April - June Habitat: • Chaparral • Pinyon and juniper woodland

Rarity Status
CA Rare Plant Rank: 1B.3 Rare, threatened, or endangered in California and elsewhere .3: Not very endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S2.3 S2: Imperiled. .3: No current threats known. Global Rank: G2 G2: Imperiled.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 10
Element Occurrence Ranks:

A B C D X U

0 3 1 0 0 6

Population Status:

Historic >20 yrs	Recent <=20 yrs
6	4

Presence:

Present Extant	Possibly Extirpated	Extirpated
10	0	0

Notes

Possibly threatened by vehicles, recreation, road maintenance, grazing, trampling, and non-native plants. Closely related to C. palmeri. See Leaflets of Western Botany 10:95 (1964) for original description, and Phytologia 66(2):141-142 (1989) for taxonomic treatment.
To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
Date Added: 1974-01-01
Last Update: 2010-03-15

Location

Elevation: 600 - 1600 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
Santa Barbara (SBA), Ventura (VEN)

Quads: name (DWR code) USGS code
Reyes Peak (166A) 34119F3, Rancho Nuevo Creek (166B) 34119F4, New Cuyama (192B) 34119H6, Salisbury Potrero (192C) 34119G6, Peak Mountain (193A) 34119H7, Bates Canyon (193B) 34119H8, Hurricane Deck (193D) 34119G7, Foxen Canyon (194C) 34120G2, Zaca Lake (194D) 34120G1

Notes:

Definitions of codes preceding a county and/or quad:
*		Presumed extirpated
?		Uncertain about distribution or identity
?*		Uncertain about distribution, but presumed extirpated if once present
(?)		Occurrence confirmed, but possibly extirpated

Species may be present in other areas where conditions are favorable.

Presumed Extant

Presumed Extirpated or Unknown

467

Links to Leading Resources of Taxon Information
USDA PLANTS Calflora CalPhotos Consortium of California Herbaria California Department of Fish and Game: CNDDB Quick Viewer

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-01a). California Native Plant Society. Sacramento, CA. Accessed on .

-119.75,34.75