Colutea arborescens, L.

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 : 107

1. C. arborescens L. , Sp. Pl. 723 (1753).

Much-branched shrub up to 6 m. Young shoots puberulent or subglabrous, later occasionally glabrous. Leaflets (3-)4-5(-6) pairs, up to 30 x 20 mm, broadly elliptical, more rarely obovate or ovate. Inflorescence 3- to 8-flowered, puberulent when young, glabrescent. Corolla 16-20 mm, yellow. Legume 5-7 x 3 cm. Seeds up to 4 x 3-5 mm. Dry slopes and open woods; somewhat calcicole. S. & S.C. Europe, extending to N.C. France; frequently cultivated in gardens and naturalized in N.W. & N.C. Europe. Al Au Bu Co Cz Ga Ge G r He Hs Hu It Ju Rm Sa Si?Tu [Be Br].