Taxon Report

Arctostaphylos edmundsii J.T. Howell

Little Sur manzanita

Print Report


© 2006 Steve Matson

Taxon Summary

Arctostaphylos edmundsii, commonly known as Little Sur manzanita, is a perennial evergreen shrub in the Ericaceae that is found only in California. It occurs within Chaparral, and Coastal bluff scrub, growing at elevations from 10 to 105 meters. Arctostaphylos edmundsii is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.


  Classification

Scientific Name:
Arctostaphylos edmundsii J.T. Howell
Common Name:
Little Sur manzanita
Family: Ericaceae
Element Code: PDERI04260
USDA Plants Symbol: ARED
Synonyms/Other Names:
  • Arctostaphylos edmundsii J.T. Howell var. edmundsii
  • Arctostaphylos edmundsii J.T. Howell var. parvifolia Roof

Ecology and Life History

Lifeform: perennial evergreen shrub
Blooming Period: (May)Nov-Apr (May)Nov-Apr
Elevation: 10-105 (35-345)
General Habitats: Chaparral, Coastal bluff scrub
Microhabitat: Sandy
Microhabitat Details:

Occurrence Data from the CNDDB

Total Occurrences: 8
Element Occurrence Ranks:
   Excellent (A) 2
   Good (B) 3
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 3
California Endemic:  True
California Counties and Islands: Name (Code)
Monterey (MNT)
Quads: Name (Quad Code)
Big Sur (3612137), Pfeiffer Point (3612127), Point Sur (3612138), Soberanes Point (3612148)

Threat List Data from the CNDDB

Threat List Total: 4
EOs with Threat Listed: Total EOs % of EOs
6 75 %
Non-native plant impacts 4 50%
Erosion/runoff 3 37%
Foot traffic/trampling 3 37%
Road/trail construction/maint. 1 12%

Notes

Threatened by foot traffic and non-native plants. Includes A. edmundsii var. parvifolia, which is state-listed Rare. See Leaflets of Western Botany 6(10):202 (1952) for original description and 9(12):188-196 (1961) for information.
Threats:
Taxonomy:
Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 20 March 2025].