Astragalus purshii Douglas ex Hook. var. lagopinus (Rydb.) Barneby

Idaho: Ada County: Near gated access to Lydle Gulch on road to Foote Park opposie Barclay Bay Boat Lanuch, ca 1/2 mi SW of Lucky Peak Dam on Boise River SE of Boise. Elev. 925 m.
43.521° N, 116.057° W
Coordinate Source: Specimen Label.
Shallow clay soil on volcanic outcrop, open shrub-steppe. Highly localized colony on volcanic substrate with tighter tufts, smaller and fewer flowers, and smaller pods than var. glareosus (regionally common on granitic substrates); plants +/- acaulescent, flowers violet, averaging 3 in number, ca. 17-18 mm. pod unilocular.

Barbara Ertter 20957, May 1, 2012
With M. Mancuso
SRP, Accession: 57757