Lupinus perennis L.

• Authority

  Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

• Family

  Fabaceae

• Scientific Name

  Lupinus perennis L.

• Description

  Species Description - Perennial; stems ± erect, 2–6 dm, thinly pubescent; petioles 2–6 cm; lfls 7–11, oblanceolate, 2–5(–6) cm; racemes erect, arising above the lvs, 1–2(–3) dm, the fls numerous, blue varying to pink or white; lower lip of the cal entire, 6–8 mm, the upper lip half as long; standard 12–16 mm, half as wide; pod pubescent, 3–5 cm; 2n=48, 96. Dry, open woods and clearings; s. Me. to Fla., w. to Minn. and Ind. May, June.

• Discussion

  Two w. Amer. spp. are casually escaped from cult. in n. New Engl. and adj. Can. L. polyphyllus Lindl. differs in being taller and coarser, to 1 m or more, with 11–17 lfls to 13 cm, and infls 2–4 dm. L. nootkatensis Donn has villous herbage and large fls 1.5–2 cm in racemes 1–3 dm.

• Common Names

  sundial lupine