Onobrychis arenaria subsp. cana, (Boiss.) Hayek

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

(g) Subsp. cana (Boiss.) Hayek , op. cit. 929 (1926):

Like subsp. (f) but leaflets 5—10(— 13) x 1 -5—3- 5 mm; racemes up to 12 cm in flower; calyx 5-7 mm, the teeth about twice as long as tube; margin of the legume with 2-4 teeth. Turkey-in-Europe. (W. & C. Anatolia.)

Two taxa of uncertain status closely related to 18, 19, 20 and 21, occur in S.E. Russia, just north of the Terek river. These are O. novopokrovskii Vassilcz. , Bull. Jard. Bot. URSS 29: 624 (1930), with linear leaflets, calyx-teeth 3-4 times as long as tube, subglabrous except for patent hairs on the margin, corolla 8-10 mm and legume 5-6 mm with 5-6 teeth, 1 -2 mm, on the margin, and O.cyri Grossh. , Sci. Pap. Appi. Sect. Tiflis Bot. Gard. 6: 123 (1929), with calyx-teeth subglabrous except for patent hairs on the margin, corolla (6—)8—12(— 13) mm and legume 5-6 mm with 4-5 teeth on the margin.