California Indigobush / Center For Plant Conservation
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Plant Profile

California Indigobush (Amorpha californica var. napensis)

Photo Credit: ©2014 Zoya Akulova
  • Global Rank: T2 - Imperiled
  • Legal Status: N/A
  • Family: Fabaceae
  • State: CA
  • Nature Serve ID: 142774
  • Lifeform: Shrub
  • Date Inducted in National Collection:

The Napa false indigo is sub-species of Amorpha californica (California indigobush) that is endemic to the Napa region, north of San Francisco Bay. A member of the pea family, A. californica var. napensis has vibrant indigo, pea-shaped blooms with 10 large stamen growing out of each bloom. It can be found on open slopes or mixed in with chaparral. Though rare, it has also been spotted in wetland regions as well. Due to its endemic status, it is currently labeled Imperiled as of 2001.

Where is California Indigobush (Amorpha californica var. napensis) located in the wild?


Occurrences of this species can be found across Marin, Sonoma, and Napa counties. 

States & Provinces:

California Indigobush can be found in California

Which CPC Partners conserve California Indigobush (Amorpha californica var. napensis)?

CPC's Plant Sponsorship Program provides long term stewardship of rare plants in our National Collection. We are so grateful for all our donors who have made the Plant Sponsorship Program so successful. We are in the process of acknowledging all our wonderful plant sponsorship donors on our website. This is a work in progress and will be updated regularly.

Conservation Actions

  • 09/01/2020
  • Orthodox Seed Banking

Based on an September 2020 extract of the California Plant Rescue Database, California Botanic Garden holds 1 accessions of Amorpha californica var. napensis in orthodox seed collection. There are as many as 4466 seeds of this species in their collection - although some may have been used for curation testing or sent to back up.

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Taxon Amorpha californica var. napensis
Authority Jeps.
Family Fabaceae
CPC Number 44939
ITIS 182059
Duration Perennial
Common Names Napa false indigo
Associated Scientific Names Amorpha californica var. napensis
Distribution Occurrences of this species can be found across Marin, Sonoma, and Napa counties. 
State Rank
State State Rank
California S2
Ecological Relationships


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