Astragalus parnassi subsp. parnassi

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 : 117

(a) Subsp. parnassi :

Leaflets sparsely hairy beneath, glabrous above, the terminal pair longer than the terminal spine of the leaf. Racemes with 3-4 flowers. Standard 14—17 mm, with acute auricles at base. • From N. W. Macedonia and Thrace to S. C. Greece.