Species Details

Adolphia californica

California adolphia

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Photo of Adolphia californica
© 2007 Andrew Borcher
Photo of Adolphia californica
© 2013 Keir Morse
Photo of Adolphia californica
© 2013 Keir Morse

Species Description:

Adolphia californica, commonly known as California adolphia, is a perennial deciduous shrub in the Rhamnaceae that is found in California and elsewhere. It occurs within Chaparral, Coastal scrub, and Valley and foothill grassland, growing at elevations from 10 to 740 meters. Adolphia californica is ranked 2B.1, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Seriously threatened in California.

Lifeform: perennial deciduous shrub
Blooming Period: Dec-May
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Elevation:
10 - 740 meters
35 - 2430 feet
General Habitats:
  • Chaparral
  • Coastal scrub
  • Valley and foothill grassland
Microhabitat Details:
Microhabitat:
  • Clay
Notes:
Threatened by urbanization, road construction, non-native plants, development and grazing.
Threats:
Taxonomy:
Threat List Total: 10
Total EOs % of EOs
EOs with Threat Listed: 77 57 %
THREAT LIST:
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%
Total Occurrences: 136
Element Occurrence Ranks:
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
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.
Presumed Extant
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