familyFabaceae
subfamilyFabaceae subfam. Faboideae
genusAstragalus
sectionAstragalus sect. Inflati
speciesAstragalus hornii
Show Lower Taxa
Astragalus hornii
Proc. Amer. Acad. Arts 7: 398. 1868.
Common names: Horn’s milkvetch
Treatment appears in FNA Volume 11.
Astragalus hornii has an unusual geographic distribution: the upper San Joaquin Valley and the western edge of the Mojave Desert in California, and the western shore of Pyramid Lake in Nevada. The habitat for the species in the United States has been largely destroyed, with most collections more than 50 years old (D. Isely 1998). Variety minutiflorus M. E. Jones is known from Baja California.
Distribution
sw United States, nw Mexico.
Discussion
Varieties 2 (1 in the flora).
Selected References
None.