Species Details

Malacothamnus jonesii

Jones' bush-mallow

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Photo of Malacothamnus jonesii
© 2017 Keir Morse
Photo of Malacothamnus jonesii
© 2017 Keir Morse
Photo of Malacothamnus jonesii
© 2017 Keir Morse
Scientific Name:
Malacothamnus jonesii (Munz) Kearn.
Common Name:
Jones' bush-mallow
Family: Malvaceae
Element Code: PDMAL0Q090
USDA Plants Symbol: MAJO
Synonyms/Other Names:
CA Rare Plant Rank: 4.3
Fed List: None
State List: None
Global Rank: G4
State Rank:
Other Status: SB_CalBG/RSABG
CRPR Changes:
changed from 4.3 to 4.3 on 2014-07-16
Add Date: 1974-01-01
Date Edited: 2021-05-26
Lifeform: perennial deciduous shrub
Blooming Period: (Mar)Apr-Oct
160 - 1075 meters
525 - 3525 feet
General Habitat:
  • Chaparral
  • Cismontane woodland
General Micro Habitat:
Micro Habitat:
Includes M. niveus. Treated differently here than in TJM (1993) and TJM 2; which include both M. gracilis and M. niveus as synonyms. See Bulletin of the Southern California Academy of Sciences 24(3):88 (1925) for original description and Leaflets of Western Botany 6(6):135 (1951) for taxonomic treatment.
Total Occurrences: 0
Element Occurrence Ranks:
0 0 0 0 0 0
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 0
Presumed Extant 0
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Monterey (MNT), San Luis Obispo (SLO), Santa Barbara (SBA)
Quads: Name (Quad Code)
Adelaida (3512067), Atascadero (3512046), Bradley (3512077), Branch Mtn. (3512021), California Valley (3512031), Camatta Canyon (3512053), Camatta Ranch (3512043), Chimineas Ranch (3511928), Cholame Hills (3512074), Creston (3512055), Jolon (3512182), La Panza (3512032), Miranda Pine Mtn. (3512011), Nipomo (3512014), Oceano (3512015), Orchard Peak (3512062), Paso Robles (3512066), Pozo Summit (3512033), Ranchito Canyon (3512075), Santa Margarita (3512045), Stockdale Mountain (3512085), Tar Spring Ridge (3512024), Taylor Canyon (3511918), Templeton (3512056), Tierra Redonda Mountain (3512078), Valleton (3512086), Williams Hill (3512181), Wilson Corner (3512044)
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
Counties   Quads