CPC Plant Profile: Montara Manzanita
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Plant Profile

Montara Manzanita (Arctostaphylos montaraensis)

Description
  • Global Rank: G1 - Critically Imperiled
  • Legal Status: N/A
  • Family: Ericaceae
  • State: CA
  • Nature Serve ID: 140555
  • Date Inducted in National Collection: 09/22/2021

Arctostaphylos montaraensis is another Bay Area manzanita that are endemic to Daly City’s San Bruno Mountain and across multiple state parks in Southern San Francisco including Montara Mtn. Though a coastal scrub, this erect evergreen shrub prefers moderate montane elevations (about 1000 ft) where it grows in sedimentary rock like sandstone and loose granite. This dense shrub is identifiable by its reddish-brown bark, light green/grey glandular leaves, and white blossoms that occur through January and March. A. montaraensis is a Critically Imperiled species with only four occurrences left, all of which are threatened by fire suppression, human development, and non-native plants.

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 montaraensis in orthodox seed collection. There are as many as 2112 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 montaraensis from 1 plant occurrences listed in the California Natural Diversity Database. These collections together emcompass 12 maternal plants

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Photos
Nomenclature
Taxon Arctostaphylos montaraensis
Authority Roof
Family Ericaceae
CPC Number 228
ITIS 23499
USDA ARMO5
Common Names Montara Manzanita
Associated Scientific Names Arctostaphylos montaraensis | Arctostaphylos imbricata subsp. montaraensis
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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