Species Details

Adolphia californica

California adolphia

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Classification

Scientific Name: Adolphia californica Wats.
Common Name: California adolphia
Family:	Rhamnaceae
Element Code:	PDRHA01010
USDA Plants Symbol:	ADCA2
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	2B.1
Fed List:	None
State List:	None
Global Rank:	G3
State Rank:	S2
Other Status:	SB_CalBG/RSABG; SB_CRES
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2022-01-05

Ecology and Life History

Lifeform: perennial deciduous shrub

Blooming Period: Dec-May

Elevation:
10 - 740 meters
35 - 2430 feet

General Habitats:

Chaparral
Coastal scrub
Valley and foothill grassland

Microhabitat Details:

Microhabitat:

Clay

Notes

Notes: Threatened by urbanization, road construction, non-native plants, development and grazing.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	10
	Total EOs	% of EOs
EOs with Threat Listed:	77	57 %
Development	67	49%
Road/trail construction/maint.	19	13%
Non-native plant impacts	6	4%
Wood cutting or brush clearing	6	4%
Other	5	3%
Grazing	4	2%
ORV activity	3	2%
Vandalism/dumping/litter	3	2%
Agriculture	3	2%
Recreational use (non-ORV)	2	1%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					136
A	B	C	D	X	U
0	21	7	2	10	96

Occurrence Status:
Historical >20 Years	58
Recent <=20 Years	78

Presence:
Presumed Extant	126
Possibly Extirpated	6
Presumed Extirpated	4

Location

California Endemic:

California Island:

States: Name (Code)
Baja California (BA), California (CA)

California Counties and Islands: Name (Code)
San Diego (SDG)

Quads: Name (Quad Code)
Del Mar (3211782), Encinitas (3311713), Escondido (3311711), Imperial Beach (3211751), Jamul Mountains (3211668), La Jolla (3211772), La Mesa (3211771), National City (3211761), Otay Mesa (3211658), Point Loma (3211762), Poway (3211781), Rancho Santa Fe (3311712), San Luis Rey (3311723), San Marcos (3311722), San Vicente Reservoir (3211688)

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