Dorycnium pentaphyllum subsp. pentaphyllum

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 : 173

(a) Subsp. pentaphyllum (Z>. suffruticosum Vili.): Stems 10-50 cm, appressed-pubescent. Leaflets of upper leaves 6-12 x 2-3 mm, linear-oblanceolate. Heads 5- to 15-flowered; pedicels usually shorter than calyx-tube. Calyx-teeth shorter than tube; corolla 4-6(-7) mm, standard apiculate. S. IV. Europe, extending to S. Italy.

Plants from N. Portugal and N. Spain are like subsp. (a) but have the leaflets 12-18 x 2-3(-4) mm and the heads with up to 25 flowers. They may represent another subspecies.