Lupinus polyphyllus Lindl. var. prunophilus (Jones) Phillips × Lupinus sulphureus Dougl. var. sulphureus

Washington: Asotin County: Near Cloverland, 15 miles southwest of Asotin.
T9N R44E S36
Datum: WGS 84. Uncertainty: 1000 meters. Coordinate Source: GeoLocate.
Along fence rows. In field with numerous individuals of the supposed parent. Hybrid plant? - corollas with strong bluish tinge, especially with past anthesis. Phenology: Flowers.

C. L. Hitchcock 21840, Jun 10, 1959
With C. V. Muhlick
WTU, Accession: 196226