Amorpha 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 : 127

42. Amorpha L. 1

Deciduous shrubs, rarely herbs. Leaves imparipinnate; stipules small, caducous. Flowers in a terminal spike or a cluster of spikes. Calyx campanulate, with 5 teeth; standard blue, whitish, or purple; wings and keel absent; stamens diadelphous. Legume short, indéhiscent. Seeds l(-2).