Taxon Report

Arctostaphylos montereyensis Hoov.

Toro manzanita

Print Report

Species Description:
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:

Ecology and Life History


Lifeform:	perennial evergreen shrub
Blooming Period: Feb-Mar	Feb-Mar
Elevation:	30-730 (100-2395)
General Habitats:	Chaparral, Cismontane woodland, Coastal scrub
Microhabitat:	Sandy
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.2
Global Rank:	G2?
State Rank:	S2?
State List:	None
Fed List:	None
Other Status:	BLM_S; SB_SBBG
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	18
Element Occurrence Ranks:
Excellent (A)	1
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	1
Unknown (U)	16

Location


California Endemic: True
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)

Threat List Data from the CNDDB


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

Notes



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

Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 22 January 2025].