Species Details

Malacothamnus clementinus

San Clemente Island bushmallow

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Photo of Malacothamnus clementinus
© 2011 Dylan Neubauer
Photo of Malacothamnus clementinus
© 2011 Michelle Cloud-Hughes
Photo of Malacothamnus clementinus
© 2011 Neal Kramer
Scientific Name:
Malacothamnus clementinus (Munz & Jtn.) Kearn.
Common Name:
San Clemente Island bushmallow
Family: Malvaceae
Element Code: PDMAL0Q030
USDA Plants Symbol: MACL
Synonyms/Other Names:
CA Rare Plant Rank: 1B.1
Fed List: FD (2023-02-24)
State List: CE (1982-02-01)
Global Rank: G2G3
State Rank:
S2S3
Other Status: SB_CalBG/RSABG; SB_SBBG
CRPR Changes:
Add Date: 1974-01-01
Date Edited: 2024-06-04
Lifeform: perennial deciduous shrub
Blooming Period: Mar-Aug
JFMAMJJASOND
Elevation:
10 - 275 meters
35 - 900 feet
General Habitats:
  • Valley and foothill grassland (rocky)
Microhabitat Details:
Microhabitat:
Notes:
Federally listed as Endangered on 1977-09-12; Delisted due to Recovery on 2023-02-24. Feral herbivores removed from SCM Isl., and vegetation recovering. See Bulletin of the Torrey Botanical Club 51:296 (1924) for original description, and Leaflets of Western Botany 6(6):127-128 (1951) for revised nomenclature.
Threats:
Threatened by Navy activities.
Taxonomy:
Threat List Total: 3
Total EOs % of EOs
EOs with Threat Listed: 2 13 %
THREAT LIST:
Erosion/runoff 1 6%
Military operations 1 6%
Vandalism/dumping/litter 1 6%
Total Occurrences: 16
Element Occurrence Ranks:
A B C D X U
0 2 0 0 0 14
Occurrence Status:
Historical >20 Years 6
Recent <=20 Years 10
Presence:
Presumed Extant 16
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)
San Clemente Island Central (3211874), San Clemente Island North (3211885), San Clemente Island South (3211873)
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.
Presumed Extant
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