(Lupinus perennis) Pea family

Flowers—Vivid blue, very rarely pink or white, butterfly-shaped ; corolla consisting of standard, wings, and keel; about 1/2 in. long, borne in a long raceme at end of stem ; calyx 2-lipped, deeply toothed. Stem : Erect, branching, leafy, 1 to 2 ft. high. Leaves: Palmate, compounded of from 7 to 11 (usually 8) leaflets. Fruit : A broad, flat, very hairy pod, 1 1/2 in. long, and containing 4 or 5 seeds.

Preferred Habitat—Dry, sandy places, banks, and hillsides. Flowering Season—May—June.

Distribution—United States east of Mississippi, and eastern Canada.