CNPS

CNPS Rare Plant Inventory



Species Details

Malacothamnus eastwoodiae

Alice's lovely bushmallow

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Photo of Malacothamnus eastwoodiae
© 2023 Keir Morse 		Photo of Malacothamnus eastwoodiae
© 2023 Keir Morse 		Photo of Malacothamnus eastwoodiae
© 2023 Keir Morse

Species Description:

Malacothamnus eastwoodiae, commonly known as Alice's lovely bushmallow, is a perennial deciduous shrub in the Malvaceae that is found only in California. It occurs within Chaparral (maritime), Coastal scrub, and Riparian woodland, growing at elevations from 25 to 130 meters. Malacothamnus eastwoodiae is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.

  Classification

Scientific Name:
Malacothamnus eastwoodiae K. Morse
Common Name:
Alice's lovely bushmallow
Family: Malvaceae
Element Code: PDMAL0Q0Q0
USDA Plants Symbol:
Synonyms/Other Names:
Name Status: JEP, FNA, POWO,
IPNI, Tropicos

  Conservation Status

CA Rare Plant Rank: 1B.1
Fed List: None
State List: None
Global Rank: G1
State Rank:
 S1
Other Status:
CRPR Changes:
added to 1B.1 on 2024-05-09
Add Date: 2024-05-09
Date Edited: 2024-08-06

  Ecology and Life History

Lifeform: perennial deciduous shrub
Blooming Period: May-Jun(Aug)
JFMAMJJASOND
Elevation:
25 - 130 meters
80 - 425 feet
General Habitats:
  • Chaparral (maritime)
  • Coastal scrub
  • Riparian woodland
Microhabitat Details: Found in Burton Mesa maritime chaparral; many plants found on the edge between chaparral and more open areas.
Microhabitat:
  • Edges
  • Sandy
  • Shale

  Notes

Notes:
Threats:
Threatened by hybridization with M. nuttallii and possibly threatened by fire suppression, altered fire regimes, competition from invasive plants, and military activities.
Taxonomy:
One site has likely hybrids with M. nuttallii.

  Threat List Data from the CNDDB

Threat List Total: 0
Total EOs % of EOs
EOs with Threat Listed: 0 %
THREAT LIST:

 

  Occurrence Data from the CNDDB

Total Occurrences: 5
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 5
Occurrence Status:
Historical >20 Years 3
Recent <=20 Years 2
Presence:
Presumed Extant 5
Possibly Extirpated 0
Presumed Extirpated 0

  Location

California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Santa Barbara (SBA)
Quads: Name (Quad Code)
Casmalia (3412075), Guadalupe (3412085), Lompoc (3412064), Surf (3412065)
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.
Regional Map

  Map

Presumed Extant
Click on quad for name. Hold Shift Key to use mouse scroll wheel

  Selected References

CNPS Status Review: Proposed addition to CRPR 1B.1, G1 / S1 (2024)
Original Description: Malacothamnus Volume 2: 61–64 (2023)
Taxonomic Treatment: Malacothamnus Volume 3 (2023)
Species Account: Malacothamnus Volume 3 (2023)

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Suggested Citation:
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 20 January 2025].
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