Palmer's Whitethorn / Center For Plant Conservation
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Plant Profile

Palmer's Whitethorn (Ceanothus palmeri)

  • Global Rank: G2 - Imperiled
  • Legal Status: N/A
  • Family: Rhamnaceae
  • State: CA
  • Nature Serve ID: 144539
  • Lifeform: Shrub
  • Date Inducted in National Collection: 10/13/2022

Where is Palmer's Whitethorn (Ceanothus palmeri) located in the wild?

States & Provinces:

Palmer's Whitethorn can be found in California

Which CPC Partners conserve Palmer's Whitethorn (Ceanothus palmeri)?

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, San Diego Zoo Global holds 1 accessions of Ceanothus palmeri in orthodox seed collection. There are as many as 36099 seeds of this species in their collection - although some may have been used for curation testing or sent to back up.

  • 08/05/2020
  • Seed Collection

Based on an August 2020 extract of the California Plant Rescue Database, San Diego Zoo Global has collected 1 seed accessions of Ceanothus palmeri from 1 plant occurrences listed in the California Natural Diversity Database. These collections together emcompass 156 maternal plants

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Taxon Ceanothus palmeri
Authority Trel.
Family Rhamnaceae
CPC Number 9017
ITIS 28494
Duration Perennial
Common Names Palmer's Whitethorn
Associated Scientific Names Ceanothus palmeri
State Rank
State State Rank
California SNR
Ecological Relationships


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