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Photo is of parent taxon
Flowers

petals usually white, conspicuously villose adaxially;

ovules 8 or 9.

Astragalus hyalinus var. hyalinus

Phenology Flowering late Jun–early Aug.
Habitat Hilltops, bluffs, badlands, on shale and limestone bedrock.
Elevation 1000–2300 m. (3300–7500 ft.)
Distribution
from FNA
CO; KS; MT; ND; NE; SD; WY
[BONAP county map]
Discussion

Variety hyalinus occurs from southeastern Montana through eastern Wyoming to southwestern South Dakota, western Nebraska, northwestern Kansas, and northeastern Colorado. It was also reported for North Dakota by Ced. L. Porter (1951).

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Astragalus > sect. Orophaca > Astragalus hyalinus
Sibling taxa
A. hyalinus var. glabratus
Name authority unknown
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