CNPS Inventory Plant Detail

Arctostaphylos rainbowensis

Common Name:	Rainbow manzanita
Family:	Ericaceae
Synonyms:
Element Code:	PDERI042T0
Full Name:	Arctostaphylos rainbowensis J. Keeley & Massihi
USDA PLANTS Symbol:	ARRA7

Biology
Lifeform: perennial evergreen shrub Blooming Period: December - March Habitat: • Chaparral

Rarity Status
CA Rare Plant Rank: 1B.1 Rare, threatened, or endangered in California and elsewhere .1: Seriously endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S2.1 S2: Imperiled. .1: Very threatened. Global Rank: G2 G2: Imperiled.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 63
Element Occurrence Ranks:

A B C D X U

7 8 7 1 0 40

Population Status:

Historic >20 yrs	Recent <=20 yrs
31	32

Presence:

Present Extant	Possibly Extirpated	Extirpated
63	0	0

Notes

Previously called A. peninsularis ssp. peninsularis or considered to be a hybrid between A. glandulosa and A. glauca. Threatened by development and agricultural conversion. Not in The Jepson Manual. See Madroño 41(1):2 (1994) for original description.
To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
Date Added: 1994-01-01
Last Update: 2011-02-17

Location

Elevation: 205 - 670 meters

California Endemic: yes

States: California

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

Quads: name (DWR code) USGS code
Valley Center (035A) 33117B1, Pechanga (050A) 33117D1, Temecula (050B) 33117D2, Pala (050D) 33117C1, Fallbrook (051A) 33117D3, Margarita Peak (051B)? 33117D4, Murrieta (068C) 33117E2, Sitton Peak (069C) 33117E4, Wildomar (069D) 33117E3

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

1797

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 .

-117.125,33.375