Taprooted plant with flowering shoots reaching 50 cm. Basal leaves oblong or ovate-oblong, petiole with blade up 10 cm long. Stem leaves densely tomentose. Flowers blue or white, nearly 3-4 cm wide, in loose unilateral raceme. V - early spring to late autumn. Fl - late spring (end of May in St. Petersburg) for 2-3 weeks or longer. Fr - July. P - by seed. Flowers the year after sowing. Prefers a sunny position, well-drained soil. Z 4.

Caucasus (the Great Caucasus Range). In rocky and stony places and on slopes.

This species is closely related to C. collina Sims, well-known in cultivation, and similar to it in habit (not to C. alliariifolia, as stated in some reference books).

Among closely related species, two are of special interest: C. annae Kolak., with large flowers to 4-5 cm long and C. schistosa Kolak., stems 20-30 cm, flowers 4-5 cm long. Z 5 (4). Both new.