Species Details

Amorpha californica var. napensis

Napa false indigo

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Photo by © 2016 John Doyen  max-height:128px; max-width:145px;
© 2016 John Doyen
Photo by © 2011 Aaron Arthur  max-height:128px; max-width:145px;
© 2011 Aaron Arthur
Photo by © 2021 Robert Steers  max-height:128px; max-width:145px;
© 2021 Robert Steers
Scientific Name:
Amorpha californica Nutt. var. napensis Jeps.
Common Name:
Napa false indigo
Family: Fabaceae
Element Code: PDFAB08012
USDA Plants Symbol: AMCAN
Synonyms/Other Names:
Lifeform: perennial deciduous shrub
Blooming Period: Apr-Jul
Elevation:
50 - 2000 meters
165 - 6560 feet
General Habitat:
  • Broadleafed upland forest (openings)
  • Chaparral
  • Cismontane woodland
General Micro Habitat:
Micro Habitat:
Notes:

Threatened by development and habitat alteration. Potentially threatened by road maintenance. See Manual of the Flowering Plants of California, p. 556 (1925) by W.L. Jepson for original description, and Rhodora 77:348-350 (1975) for taxonomic treatment.

Threats:

Taxonomy:
Other:
Total Occurrences: 76
Element Occurrence Ranks:
A B C D X U
11 10 9 2 1 43
Occurrence Status:
Historical >20 Years 30
Recent <=20 Years 46
Presence:
Presumed Extant 75
Possibly Extirpated 1
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Lake (LAK), Marin (MRN), Napa (NAP), Sonoma (SON)
Quads: Name (Quad Code)
Aetna Springs (3812264), Bodega Head (3812331), Bolinas (3712286), Calistoga (3812255), Camp Meeker (3812248), Cazadero (3812351), Cotati (3812236), Detert Reservoir (3812265), Duncans Mills (3812341), Fort Ross (3812352), Glen Ellen (3812235), Guerneville (3812258), Healdsburg (3812257), Kenwood (3812245), Mark West Springs (3812256), Petaluma (3812226), Petaluma River (3812225), Rutherford (3812244), San Geronimo (3812216), San Quentin (3712284), San Rafael (3712285), Santa Rosa (3812246), Sonoma (3812234), St. Helena (3812254)
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.

Map

Presumed Extant
Counties   Quads