Onobrychis alba subsp. calcarea, (Vandas) P. W. Ball

(d) Subsp. calcarea (Vandas) P. W. Ball View in CoL , Feddes Repert. 79: 41 (1968)

(O. calcarea Vandas ):

Leaflets of lower leaves 4-15 x 1-4 mm; calyx-tube more or less pubescent, the teeth 3-4 times as long as tube; corolla8-10 mm, white; legume c. 5 mm, the margin with 2-4(-5) teeth up to 2 mm. C. part of Balkan peninsula.

O. bertiscea Sirj. & Rech. fil. , Feddes Repert. 38: 325 (1935), from W. Jugoslavia (near Gusinje, Crna Gora), is possibly another subspecies of 11. It has the leaflets of the lower leaves 6-11 x 1 - 5-2- 5 mm; the calyx-tube sparsely hairy, with teeth twice as long as the tube; the corolla 8—9(—10) mm, purple with darker veins, and the legume 5-6-5 mm, the margin with 3-4 teeth up to 0- 75 mm.