Lupinus polyphyllus, Lindley

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1981, Flora Europaea. Volume 2. Rosaceae to Umbelliferae, Cambridge University Press : 106

9. L. polyphyllus Lindley , Bot. Reg. 13: 1.109 6 (1827).

Minutely pubescent, stout, usually unbranched perennial 50-150 cm. Leaflets 9-17, 70-150 x 15-30 mm, obovate-lanceolate, mostly glabrous above, sparingly sericeous beneath; stipules subulate. Racemes 15-60 cm, rather dense; flowers verticillate; peduncle 3-8 cm. Lips of calyx entire. Corolla 12-14 mm, blue, purple, pink or white; keel glabrous. Legume 25-40 mm, sparsely hairy, brown. Seeds 5-9, c. 4 mm, variously spotted. Cultivated for ornament and for fodder in a large part o f Europe, and widely naturalized. [Au Cz Da Fe Ga Ge He Ho Hu Ju No Po Rm Rs (C) Su.] (W. North America.) The hybrid 9 x 10 (L. x regalis Bergmans) is frequently cultivated for ornament in C. & N. Europe and often occurs as a casual. It may be locally naturalized.