Taxon Details

Arctostaphylos montereyensis

Toro manzanita

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Taxon Summary:

Arctostaphylos montereyensis, commonly known as Toro manzanita, is a perennial evergreen shrub in the Ericaceae that is found only in California. It occurs within Chaparral (maritime), Cismontane woodland, and Coastal scrub, growing at elevations from 30 to 730 meters. Arctostaphylos montereyensis is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Classification

Scientific Name: Arctostaphylos montereyensis Hoov.
Common Name: Toro manzanita
Family:	Ericaceae
Element Code:	PDERI040R0
USDA Plants Symbol:	ARMO6
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G2?
State Rank:	S2?
Other Status:	BLM_S; SB_SBBG
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2022-02-01

Ecology and Life History

Lifeform: perennial evergreen shrub

Blooming Period: Feb-Mar

Elevation:
30 - 730 meters
100 - 2395 feet

General Habitats:

Chaparral (maritime)
Cismontane woodland
Coastal scrub

Microhabitat Details:

Microhabitat:

Sandy

Notes

Notes: Known from fewer than 20 occurrences. Threatened by development. See Leaflets of Western Botany 10:88 (1964) for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	2
	Total EOs	% of EOs
EOs with Threat Listed:	3	17 %
Development	3	16%
Non-native plant impacts	1	5%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					18
A	B	C	D	X	U
1	0	0	0	1	16

Occurrence Status:
Historical >20 Years	14
Recent <=20 Years	4

Presence:
Presumed Extant	17
Possibly Extirpated	0
Presumed Extirpated	1

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Monterey (MNT)

Quads: Name (Quad Code)
Carmel Valley (3612146), Chualar (3612155), Marina (3612167), Monterey (3612158), Salinas (3612166), Seaside (3612157), Spreckels (3612156)

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