CNPS Inventory Plant Detail

Chorizanthe orcuttiana

Common Name:	Orcutt's spineflower
Family:	Polygonaceae
Synonyms:
Element Code:	PDPGN040G0
Full Name:	Chorizanthe orcuttiana Parry
USDA PLANTS Symbol:	CHOR

Biology
Lifeform: annual herb Blooming Period: March - May Habitat: sandy openings. • Closed-cone coniferous forest • Chaparral (maritime) • Coastal scrub

Rarity Status
CA Rare Plant Rank: 1B.1 Rare, threatened, or endangered in California and elsewhere .1: Seriously endangered in California Federal Listing Status: FE Endangered (10/07/96) State Listing Status: CE Endangered (11/79) State Rank: S1 S1: Critically Imperiled. Global Rank: G1 G1: Critically Imperiled.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 14
Element Occurrence Ranks:

A B C D X U

1 3 1 0 4 5

Population Status:

Historic >20 yrs	Recent <=20 yrs
9	5

Presence:

Present Extant	Possibly Extirpated	Extirpated
10	4	0

Notes
Known from fewer than 20 occurrences. Most historical habitat urbanized. Threatened by foot traffic. See Phytologia 66(2):183 (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: 1980-01-01 Last Update: 2010-03-15

Location

Elevation: 3 - 125 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
San Diego (SDG)

Quads: name (DWR code) USGS code
Point Loma (011B) 32117F2, Del Mar (022B) 32117H2, La Jolla (022C)* 32117G2, Rancho Santa Fe (035C)* 33117A2, Encinitas (036D) 33117A3

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

471

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 .

-117.125,32.875