Onobrychis arenaria, (Kit.) DC.

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 : 190

18. O. arenaria (Kit.) DC. , Prodr. 2: 345 (1825).

Subglabrous or pubescent perennial 10-80 cm. Leaflets usually 3-12 pairs, linear-oblong to elliptical. Calyx glabrous or pubescent, the teeth with appressed or erecto-patent hairs on the margin; corolla pink with purple veins. Legume 4-6(-7) mm, pubescent; sides toothed; margin with 3-8 teeth, rarely unarmed. C., E. & S.E. Europe, extending to C. France and C. Italy. Al Au Bu Cz Ga Ge G r He Hu It Ju Po Rm Rs (B, C, W, E) Tu. 1 Margin of the legume with teeth 2-4 mm long; leaflets usually 3-7 pairs 2 Calyx-teeth 2-5-4 times as long as tube; racemes not more

than 7 cm in flower (f) subsp. lasiostachya 2 Calyx-teeth about twice as long as tube; racemes up to 12 cm

in flower (g) subsp. cana 1 Margin of the legume with teeth 0-5-2 mm long; leaflets 5-12

pairs 3 Standard c. 1 mm shorter than keel (c) subsp. sibirica 3Standard ± equalling keel 4 Calyx-teeth 1-5-2-5 times as long as tube 5 Corolla 8-10 mm; standard pink on the back

(a) subsp. arenaria 5 Corolla (9-) 10-12 mm; standard very pale pink on the

back (b) subsp. taurerica 4 Calyx-teeth (2-)2-5-4 times as long as tube 6 Calyx 5-7(-8) mm; corolla 7-5-9 mm (d) subsp. miniata 6 Calyx usually 7-10 mm; corolla 9-12-5 mm

(e) subsp. tommasinii