Perennial herbaceous plant with a thin rhizome and several thin stems; basal leaves are kidney-shaped, drying out by the time of flowering, stem leaves are linear or lanceolate. The flowers are drooping, collected in a sparse panicle, broadly bell-shaped, with a bluish-violet corolla; the fruit is a hanging box with three holes at the base. Blooms in June-September.
It is often found in meadows, edges, in dry forests.
In folk medicine, a decoction of a plant collected during flowering is drunk for internal bleeding;
tincture of herbs on vodka gargle with sore throat; there is an indication of the use of flowers as an antiepileptic.