Species Details

Malacothamnus gracilis

slender bush-mallow

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Photo by © 2017 Keir Morse  max-height:128px; max-width:145px;
© 2017 Keir Morse
Photo by © 2017 Keir Morse  max-height:128px; max-width:145px;
© 2017 Keir Morse
Photo by © 2017 Keir Morse  max-height:128px; max-width:145px;
© 2017 Keir Morse
Scientific Name:
Malacothamnus gracilis (Eastw.) Kearn.
Common Name:
slender bush-mallow
Family: Malvaceae
Element Code: PDMAL0Q0J0
USDA Plants Symbol:
Synonyms/Other Names:
CA Rare Plant Rank: 1B.1
Fed List: None
State List: None
Global Rank: G1Q
State Rank:
S1
Other Status: SB_CalBG/RSABG
CRPR Changes:
changed from 4.3 to 1B.1 on 2014-07-16
Add Date: 1974-01-01
Date Edited: 2022-03-01
Lifeform: perennial deciduous shrub
Blooming Period: May-Oct
Elevation:
190 - 575 meters
625 - 1885 feet
General Habitat:
  • Chaparral
General Micro Habitat:
Micro Habitat:
  • Rocky (usually)
Notes:
Previously CRPR 4.3; rarer than originally thought. Threatened by vineyard and housing development. Should possibly be treated as a variety of M. jonesii, but the combination is not available. A synonym of M. jonesii in TJM (1993) and TJM 2. See Leaflets of Western Botany 1(18):219-220 (1936) for original description and 6(6):130 (1951) for taxonomic treatment.
Threats:
Taxonomy:
Other:
Total Occurrences: 5
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 5
Occurrence Status:
Historical >20 Years 4
Recent <=20 Years 1
Presence:
Presumed Extant 5
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
San Luis Obispo (SLO), Santa Barbara (SBA)
Quads: Name (Quad Code)
Arroyo Grande NE (3512025), Chimney Canyon (3512012), Huasna Peak (3512013)*, La Panza Ranch (3512042), Tar Spring Ridge (3512024)
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