Species Details

Cercocarpus traskiae

Catalina Island mountain-mahogany

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Scientific Name:
Cercocarpus traskiae Eastw.
Common Name:
Catalina Island mountain-mahogany
Family: Rosaceae
Element Code: PDROS08030
USDA Plants Symbol: CETR4
Synonyms/Other Names:
Fed List: FE (1997-08-08)
State List: CE (1982-04-01)
Global Rank: G1
State Rank:
S1
CA Rare Plant Rank: 1B.1
Other Status: SB_CalBG/RSABG; SB_CRES
CRPR Changes:
Add Date: 1974-01-01
Date Edited: 2021-05-26
Lifeform: perennial evergreen shrub
Blooming Period: Mar-May
Elevation:
100 - 250 meters
330 - 820 feet
General Habitat:
  • Chaparral
  • Coastal scrub
General Micro Habitat: rocky, sausserite gabbro
Micro Habitat:
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. Threatened by feral herbivores and hybridization. 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.
Threats:
Taxonomy:
Other:
References:
Total Occurrences: 1
Element Occurrence Ranks:
A B C D X U
0 1 0 0 0 0
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 1
Presence:
Presumed Extant 1
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Los Angeles (LAX)
Quads: Name (Quad Code)
Santa Catalina East (3311833), Santa Catalina South (3311834)
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.

Map

Presumed Extant
Counties   Quads