Lupinus arbustus Dougl. ex Lindl. var. laxiflorus (Lindl.) Dorn.

Montana: Beaverhead County: Ca. 3.5 mi E of Chief Joseph Pass on State hwy 43, in a bog at roadside at mile post 4, Anaconda Mtns, Beaverhead-Deerlodge Nat'l Forest. Elev. 6607 ft.
45° 40' 33.204" N, 113° 52' 57.972" W
Phenology: Flowers.

Tom Watson 2014-218, Jun 25, 2014
MONTU, Accession: 160802