Stauracanthus genistoides subsp. genistoides

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 : 103-104

(a) Subsp. genistoides :

Spines slender, often flexuous. Bracteoles 1-2 mm wide, linear-lanceolate to broadly ovate. Calyx

9-13 mm. Standard subglabrous to moderately hairy. • Throughout the range o f the species in Europe.