Taxon Report

Astragalus claranus Jeps.

Clara Hunt's milk-vetch

Print Report

Classification


Scientific Name:	Astragalus claranus Jeps.
Common Name:	Clara Hunt's milk-vetch
Family:	Fabaceae
Element Code:	PDFAB0F240
USDA Plants Symbol:
Synonyms/Other Names:

Ecology and Life History


Lifeform:	annual herb
Blooming Period: Mar-May	Mar-May
Elevation:	75-275 (245-900)
General Habitats:	Chaparral, Cismontane woodland, Valley and foothill grassland
Microhabitat:	Clay, Rocky, Serpentine (sometimes), Volcanic (sometimes)
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.1
Global Rank:	G1
State Rank:	S1
State List:	CE
Fed List:	FE
Other Status:	SB_CalBG/RSABG
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	6
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	3
Fair (C)	2
Poor (D)	0
None (X)	0
Unknown (U)	1

Location


California Endemic: True
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)

Threat List Data from the CNDDB


Threat List Total:	12
EOs with Threat Listed:	Total EOs	% of EOs
	6	100 %
Non-native plant impacts	4	66%
Foot traffic/trampling	2	33%
Grazing	2	33%
Other	2	33%
Recreational use (non-ORV)	2	33%
Road/trail construction/maint.	1	16%
Surface water diversion	1	16%
Vandalism/dumping/litter	1	16%
Agriculture	1	16%
Development	1	16%
Feral pigs	1	16%
ORV activity	1	16%

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:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 6 January 2025].