Cushion to mat-forming. Leaves 8-10mm long, rigid, linear, densely, stiffly ciliate. Flowers small, bright yellow, in racemes up to 8cm in height, usually less. A very variable species in raceme size, hairiness, etc. Armenia, Turkey, Caucasus, in screes, rock crevices, etc. above 1300m, some forms much higher. The similar is162 D.b. subsp. heterocoma also occurs in European Turkey (Karpathos). D.b. subsp. olympica has leaves glabrous except for marginal cilia, and flowers in head-like racemes. Turkey, Ulu Dag and Caucasus.