Taxon Details

Malacothamnus fasciculatus var. catalinensis

Santa Catalina Island bushmallow

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Photo of Malacothamnus fasciculatus var. catalinensis
© 2019 Keir Morse
Photo of Malacothamnus fasciculatus var. catalinensis
© 2019 Keir Morse
Photo of Malacothamnus fasciculatus var. catalinensis
© 2019 Keir Morse

Taxon Summary:

Malacothamnus fasciculatus var. catalinensis, commonly known as Santa Catalina Island bushmallow, is a perennial deciduous shrub in the Malvaceae that is found only in California. It occurs within Chaparral, and Coastal scrub, growing at elevations from 10 to 320 meters. Malacothamnus fasciculatus var. catalinensis is ranked 4.2, Plants of Limited Distribution, A Watch List; Moderately threatened in California.

Scientific Name:
Malacothamnus fasciculatus (Nutt. ex. Torr. & A. Gray) Greene var. catalinensis (Eastw.) Kearney
Common Name:
Santa Catalina Island bushmallow
Family: Malvaceae
Element Code: PDMAL0Q062
USDA Plants Symbol:
Synonyms/Other Names:
Name Status: JEF, FNA, POWO,
IPNI, Tropicos
Lifeform: perennial deciduous shrub
Blooming Period: Apr-Jul
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Elevation:
10 - 320 meters
35 - 1050 feet
General Habitats:
  • Chaparral
  • Coastal scrub
Microhabitat Details:
Microhabitat:
Notes:
See Leaflets of Western Botany 1(18):215-216 (1936) for original description and 6(6):138 (1959) for taxonomic treatment.
Threats:
Threatened by fire suppression. Possibly threatened by feral herbivores. 
Taxonomy:
Treated as an island-endemic in TJM 2; earlier treatments also placed it on the mainland. 
Total Occurrences: 0
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 0
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 0
Presence:
Presumed Extant 0
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 North (3311844), Santa Catalina South (3311834), Santa Catalina West (3311845)
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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