Taxon Report

Astragalus subvestitus (Jeps.) Barneby

Kern County milk-vetch

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Taxon Summary

Astragalus subvestitus, commonly known as Kern County milk-vetch, is a perennial herb in the Fabaceae that is found only in California. It occurs within Great Basin scrub, Meadows and seeps, and Pinyon and juniper woodland, growing at elevations from 2330 to 2750 meters. Astragalus subvestitus is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.


  Classification

Scientific Name:
Astragalus subvestitus (Jeps.) Barneby
Common Name:
Kern County milk-vetch
Family: Fabaceae
Element Code: PDFAB0F8M0
USDA Plants Symbol: ASSU8
Synonyms/Other Names:

Ecology and Life History

Lifeform: perennial herb
Blooming Period: (May)Jun-Jul (May)Jun-Jul
Elevation: 2330-2750 (7645-9025)
General Habitats: Great Basin scrub, Meadows and seeps, Pinyon and juniper woodland
Microhabitat: Gravelly (sometimes), Sandy (sometimes)
Microhabitat Details:

Occurrence Data from the CNDDB

Total Occurrences: 0
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 0
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 0
California Endemic:  True
California Counties and Islands: Name (Code)
Kern (KRN), Tulare (TUL)
Quads: Name (Quad Code)
Bonita Meadows (3611813), Breckenridge Mtn. (3511845), Claraville (3511843), Crag Peak (3611812), Kern Peak (3611833), Lake Isabella South (3511854), Monache Mountain (3611822), Rockhouse Basin (3511882), Sacatar Canyon (3511881), Templeton Mtn. (3611832), Woolstalf Creek (3511853)

Notes

See Flora of California 2(1):361 (1936) by W.L. Jepson for original description, and Memoirs of the New York Botanical Garden 13:685-686 (1964) for revised nomenclature.
Threats:
Taxonomy:
Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 16 March 2025].