Astragalus terminalis S. Watson

Idaho: Custer County: E slope Lost River Range, Challis National Forest, vic. Doublespring Pass. Ridge along SW side of Buck Creek dragain. Near crest of ridge. Elev. 9900 ft.
44.294429° N, 113.831761° W,
Datum: WGS 84. Uncertainty: 5000 meters. Coordinate Source: Digital Map.
Alpine ridge. On brownish (apparently) low-grade quartzitic rock. With Cymopterus glaucus, Penstemon montanus, and Erigeron tweedyi. Occasional. Pubescence appressed; fls white, the keel purple tipped; wings longer than the keel; calyx black-hairy, the teeth ca 1 mm long; pods thick, leathery, ca 15 mm long, incompletely 2-celled. (Both keel length of 8-8.5 mm and banner length of 9 too small sensu C.L. Hitchcock, but within range in Barneby's Atlas). Phenology: Flowers and Fruits.

D. Henderson 4819, Jul 29, 1978
With S. & P. Brunsfeld
ID, Accession: 70715, Barcode: ID062638