CPC Plant Profile: Ohlone Manzanita
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Plant Profile

Ohlone Manzanita (Arctostaphylos ohloneana)

Description
  • Global Rank: G1 - Critically Imperiled
  • Legal Status: N/A
  • Family: Ericaceae
  • State: CA
  • Nature Serve ID: 826799
  • Date Inducted in National Collection: 10/26/2021

Named after the native Ohlone people (that originally settled along the coast between San Francisco and Santa Cruz), the Arctostaphylos ohloneana can be found in maritime chaparral on areas with Monterey shale. The Ohlone Manzanita was first identified in 2008 and since being accepted as a separate species, it has been classified as Critically Imperiled with less than 100 individuals left. All occurrences of this species can be found at Big Basin Redwoods State Park (north of Santa Cruz). Blooming only two months out of the year (Feb – March), they grow erect to 1-2m tall with red-brown bark with pink/white blooms.

Participating Institutions
Updates
  • 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 Arctostaphylos ohloneana in orthodox seed collection. There are as many as 3580 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, University of California-Santa Cruz Arboretum & Botanic Garden has collected 1 seed accessions of Arctostaphylos ohloneana from 1 plant occurrences listed in the California Natural Diversity Database. These collections together emcompass 9 maternal plants

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Photos
Nomenclature
Taxon Arctostaphylos ohloneana
Authority M.C. Vasey & V.T. Parker
Family Ericaceae
CPC Number 44912
ITIS 894432
USDA AROH2
Common Names Ohlone Manzanita
Associated Scientific Names Arctostaphylos ohloneana
Distribution
State Rank
State State Rank
California S1
Habitat

Ecological Relationships

Pollinators
Common Name Name in Text Association Type Source InteractionID

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