Species Details

Astragalus claranus

Clara Hunt's milk-vetch

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Scientific Name:
Astragalus claranus Jeps.
Common Name:
Clara Hunt's milk-vetch
Family: Fabaceae
Element Code: PDFAB0F240
USDA Plants Symbol:
Synonyms/Other Names:
CA Rare Plant Rank: 1B.1
Fed List: FE (1997-10-22)
State List: CE (2021-12-06)
Global Rank: G1
State Rank:
S1
Other Status: SB_CalBG/RSABG
CRPR Changes:
Add Date: 1974-01-01
Date Edited: 2023-05-02
Lifeform: annual herb
Blooming Period: Mar-May
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Elevation:
75 - 275 meters
245 - 900 feet
General Habitats:
  • Chaparral (openings)
  • Cismontane woodland
  • Valley and foothill grassland
Microhabitat Details:
Microhabitat:
  • Clay
  • Rocky
  • Serpentine (sometimes)
  • Volcanic (sometimes)
Notes:
Threatened by urbanization, recreational development, grazing, and non-native plants. See Manual of the Flowering Plants of California, p. 578 (1925) by W.L. Jepson for original description, and Systematic Botany 17(3):367-379 (1992) for distributional information.
Threats:
Taxonomy:
Threat List Total: 12
Total EOs % of EOs
EOs with Threat Listed: 6 100 %
THREAT LIST:
Non-native plant impacts 4 66%
Foot traffic/trampling 2 33%
Grazing 2 33%
Other 2 33%
Recreational use (non-ORV) 2 33%
Total Occurrences: 6
Element Occurrence Ranks:
A B C D X U
0 3 2 0 0 1
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 6
Presence:
Presumed Extant 6
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Napa (NAP), Sonoma (SON)
Quads: Name (Quad Code)
Calistoga (3812255), Mark West Springs (3812256), Rutherford (3812244), Santa Rosa (3812246), St. Helena (3812254)
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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