Astragalus sempervirens subsp. sempervirens

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 : 119

(a) Subsp. sempervirens ( A. aristatus L’Hér. ); Not caespitose. Leaflets 6-10 pairs, sparsely to densely hairy beneath, sparsely hairy or subglabrous above. Bracts ovate-lanceolate, with prom­ inent, branched or anastomosing lateral veins. Corolla whitish to pale purplish; standard c. li times as long as calyx. • From the Alps and Appennini to N.E. Spain; 1C. part of Balkan peninsula.