Species Details
Cercocarpus traskiae
Catalina Island mountain-mahogany
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© 2021 Zoya Akulova |
© 2017 Zoya Akulova |
© 2018 Susan McDougall |
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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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| 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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