Taxon Details
Cercocarpus traskiae
Catalina Island mountain-mahogany
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© 2021 Zoya Akulova |
© 2017 Zoya Akulova |
© 2018 Susan McDougall |
Taxon Summary:
Cercocarpus traskiae, commonly known as Catalina Island mountain-mahogany, is a perennial evergreen shrub in the Rosaceae that is found only in California. It occurs within Chaparral, and Coastal scrub, growing at elevations from 100 to 250 meters. Cercocarpus traskiae is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.|
Scientific Name: Cercocarpus traskiae Eastw. |
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Common Name: Catalina Island mountain-mahogany |
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| Family: | Rosaceae | |
| Element Code: | PDROS08030 | |
| USDA Plants Symbol: | CETR4 | |
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Synonyms/Other Names: |
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| Name Status: |
JEF, FNA, POWO, IPNI, Tropicos |
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| CA Rare Plant Rank: | 1B.1 |
| Fed List: | FE (1997-08-08) |
| State List: | CE (1982-04-01) |
| Global Rank: | G1 |
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State Rank: |
S1 |
| Other Status: | IUCN_CR; SB_CalBG/RSABG; SB_CRES |
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CRPR Changes: |
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| Add Date: | 1974-01-01 |
| Date Edited: | 2023-11-08 |
| Lifeform: perennial evergreen shrub | ||||||||||||||
Blooming Period: Mar-May
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Elevation:
100 - 250 meters 330 - 820 feet |
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General Habitats:
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| Microhabitat Details: sausserite gabbro | ||||||||||||||
Microhabitat:
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Notes: Known from only one occurrence with fewer than 15 trees in Wild Boar Gully; one of the rarest trees in CA. Mainland occurrence of one plant from LAX Co. (113C) needs confirmation; possibly introduced or hybrid with C. betuloides var. betuloides. Recovery work in progress. See Proceedings of the California Academy of Sciences III 1:136 (1898) for original description, and Conservation Biology 3(1):52-58 (1989) for discussion of hybridization. |
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Threats: Threatened by feral herbivores and hybridization. |
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Taxonomy: |
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| Threat List Total: | 5 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 1 | 100 % |
| THREAT LIST: | ||
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| Erosion/runoff | 1 | 100% |
| Grazing | 1 | 100% |
| Hybridization | 1 | 100% |
| Insufficient population/stand size | 1 | 100% |
| Other | 1 | 100% |
| Total Occurrences: | 1 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 0 | 1 | 0 | 0 | 0 | 0 |
| Occurrence Status: | |||||
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| Historical >20 Years | 0 | ||||
| Recent <=20 Years | 1 | ||||
| Presence: | |||||
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| Presumed Extant | 1 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) Los Angeles (LAX) |
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Quads: Name (Quad Code) Santa Catalina South (3311834) |
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Notes:
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Presumed Extant
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