CNPS

CNPS Rare Plant Inventory

Species Details

Acmispon dendroideus var. traskiae

San Clemente Island lotus

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Photo by © 2011 Dylan Neubauer max-height:128px; max-width:145px;
© 2011 Dylan Neubauer 		Photo by © 2011 Dylan Neubauer max-height:128px; max-width:145px;
© 2011 Dylan Neubauer 		Photo by © 2011 Dylan Neubauer max-height:128px; max-width:145px;
© 2011 Dylan Neubauer

Classification

Scientific Name:
Acmispon dendroideus (Greene) Brouillet var. traskiae (Eastw. ex Abrams) Brouillet
Common Name:
San Clemente Island lotus
Family: Fabaceae
Element Code: PDFAB2A1G2
USDA Plants Symbol:
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank: 1B.3
Fed List: FT (1977-08-11)
State List: CE (1982-04-01)
Global Rank: G4T3
State Rank:
 S3
Other Status: SB_CalBG/RSABG; SB_SBBG
CRPR Changes:
changed from 1B.1 to 1B.3 on 2015-01-28
Add Date: 1974-01-01
Date Edited: 2022-01-05

Ecology and Life History

Lifeform: perennial shrub
Blooming Period: Feb-Aug
Elevation:
15 - 365 meters
50 - 1200 feet
General Habitat:
  • Coastal bluff scrub
  • Coastal scrub
  • Valley and foothill grassland
General Micro Habitat:
Micro Habitat:

Notes

Notes:
Feral herbivores removed from SCM Isl., and vegetation recovering. Occasionally hybridizes with A. argophyllus var. argenteus. See Brittonia 30:466-472 (1978) for revised nomenclature.
Threats:
Taxonomy:
Other:

Occurrence Data from the CNDDB

Total Occurrences: 40
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 40
Occurrence Status:
Historical >20 Years 8
Recent <=20 Years 32
Presence:
Presumed Extant 40
Possibly Extirpated 0
Presumed Extirpated 0

Location

California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Los Angeles (LAX)
Quads: Name (Quad Code)
San Clemente Island Central (3211874), San Clemente Island North (3211885), San Clemente Island South (3211873)
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
Print this Map
Counties   Quads

Selected References

Suggested Citation:
California Native Plant Society, Rare Plant Program. 2022. Rare Plant Inventory (online edition, v9-01 1.5). Website https://www.rareplants.cnps.org [accessed 11 August 2022].