Taxon Details

Malacothamnus marrubioides

Santa Clarita bushmallow

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Photo of Malacothamnus marrubioides
© 2016 Keir Morse
Photo of Malacothamnus marrubioides
© 2016 Keir Morse
Photo of Malacothamnus marrubioides
© 2016 Keir Morse

Taxon Summary:

Malacothamnus marrubioides, commonly known as Santa Clarita bushmallow, is a perennial deciduous shrub in the Malvaceae that is found only in California. It occurs within Chaparral, Cismontane woodland, and Riparian woodland, growing at elevations from 55 to 1170 meters. Malacothamnus marrubioides is ranked 4.2, Plants of Limited Distribution, A Watch List; Moderately threatened in California.

Scientific Name:
Malacothamnus marrubioides (Durand & Hilg.) Greene
Common Name:
Santa Clarita bushmallow
Family: Malvaceae
Element Code:
USDA Plants Symbol: MAMA3
Synonyms/Other Names:
Name Status: JEF, FNA, POWO,
IPNI, Tropicos
Lifeform: perennial deciduous shrub
Blooming Period: (Jan-Mar)Apr-Jul(Aug-Dec)
JFMAMJJASOND
Elevation:
55 - 1170 meters
180 - 3840 feet
General Habitats:
  • Chaparral
  • Cismontane woodland
  • Riparian woodland
Microhabitat Details: Fire-adapted; populations usually peak after burning occurs.
Microhabitat:
Notes:
Most similar to the inland form of M. foliosus, which is allopatric. Intermediates with M. fasciculatus var. laxiflorus and M. orbiculatus are common where their ranges meet M. marrubioides.
Threats:
Threatened by development and hybridization. Potentially threatened by altered fire regimes and competition from non-native plants.
Taxonomy:
See Leaflets of Botanical Observation and Criticism 1(15): 208 (1906) for original description.
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)
Quads: Name (Quad Code)
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.

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Location Data is Forthcoming from the CNDDB
Presumed Extant
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