familyFabaceae
subfamilyFabaceae subfam. Faboideae
genusAstragalus
sectionAstragalus sect. Orophaca
speciesAstragalus hyalinus
Astragalus hyalinus var. hyalinus
Endemic
Treatment appears in FNA Volume 11.
Flowers: petals usually white, conspicuously villose adaxially; ovules 8 or 9.
Phenology: Flowering late Jun–early Aug.
Habitat: Hilltops, bluffs, badlands, on shale and limestone bedrock.
Elevation: 1000–2300 m.
Distribution
Colo., Kans., Mont., Nebr., N.Dak., S.Dak., Wyo.
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).
Selected References
None.
Lower Taxa
None.