Taxon Report
Arctostaphylos catalinae WellsSanta Catalina Island manzanita |
 © 2020 Zoya Akulova |
Taxon Summary
Arctostaphylos catalinae, commonly known as Santa Catalina Island manzanita, is a perennial evergreen shrub in the Ericaceae that is found only in California. It occurs within Chaparral, growing at elevations from 75 to 600 meters. Arctostaphylos catalinae is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.Classification
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Scientific Name: |
Arctostaphylos catalinae Wells |
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Common Name: |
Santa Catalina Island manzanita |
| Family: | Ericaceae |
| Element Code: | PDERI04070 |
| USDA Plants Symbol: | ARCA21 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial evergreen shrub |
| Blooming Period: (Feb)Mar-Apr(May) | (Feb)Mar-Apr(May) |
| Elevation: | 75-600 (245-1970) |
| General Habitats: | Chaparral |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G2? |
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State Rank: |
S2? |
| State List: | None |
| Fed List: | None |
| Other Status: | IUCN_VU; SB_CalBG/RSABG |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 9 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 1 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 8 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Los Angeles (LAX) | |
| Quads: Name (Quad Code) | |
| Santa Catalina East (3311833), Santa Catalina North (3311844), Santa Catalina South (3311834), Santa Catalina West (3311845) | |
Threat List Data from the CNDDB
| Threat List Total: | 2 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 1 | 11 % | |
| Grazing | 1 | 11% |
| Non-native animal impacts | 1 | 11% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 30 January 2025].