Species Details

Malacothamnus lucianus

Arroyo Seco bushmallow

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Photo of Malacothamnus lucianus
© 2017 Keir Morse
Photo of Malacothamnus lucianus
© 2017 Keir Morse
Photo of Malacothamnus lucianus
© 2017 Keir Morse
CA Rare Plant Rank: 1B.2
Fed List: None
State List: None
Global Rank: G3T1Q
State Rank:
S1
Other Status: BLM_S; SB_CalBG/RSABG; SB_SBBG; USFS_S
CRPR Changes:
Add Date: 1974-01-01
Date Edited: 2024-06-04
Lifeform: perennial deciduous shrub
Blooming Period: (Apr)May-Aug
JFMAMJJASOND
Elevation:
5 - 915 meters
15 - 3000 feet
General Habitats:
  • Chaparral
  • Cismontane woodland
  • Meadows and seeps
Microhabitat Details:
Microhabitat:
Notes:
See Leaflets of Western Botany 7(12):289-290 (1955) for original description.
Threats:
Threatened by road maintenance. 
Taxonomy:
A synonym of M. palmeri in TJM (1993) and of M. palmeri var. palmeri in TJM 2; observations by field botanists suggest that recognition is warranted.
Threat List Total: 6
Total EOs % of EOs
EOs with Threat Listed: 4 44 %
THREAT LIST:
Altered flood/tidal/hydrologic regime 1 11%
Erosion/runoff 1 11%
Grazing 1 11%
Non-native plant impacts 1 11%
Other 1 11%
Total Occurrences: 9
Element Occurrence Ranks:
A B C D X U
0 3 0 2 0 4
Occurrence Status:
Historical >20 Years 4
Recent <=20 Years 5
Presence:
Presumed Extant 9
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Monterey (MNT)
Quads: Name (Quad Code)
Big Sur (3612137), Cone Peak (3612114), Junipero Serra Peak (3612124), Lopez Point (3612115), Partington Ridge (3612126)
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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