Description from Flora of China
Herbs perennial, cespitose, strigose. Leaves alternate, oblanceolate, apex obtuse. Cymes bracteate. Calyx 5-parted to base; lobes erect, linear, slightly enlarged in fruit. Corolla blue; tube shorter than calyx; throat appendaged; limb broadly campanulate, 3-5 mm wide; lobes overlapping, apex obtuse. Stamens inserted at middle of corolla tube, included; filaments extremely short; anthers oblong, base and apex obtuse. Ovary 4-parted. Style included; stigma capitate. Gynobase nearly flat. Nutlets vertical, slightly curved, adaxially longitudinally keeled; abaxially convex, glabrous, shiny; attachment scar at base adaxially, triangular.
One species: China, Kazakhstan, Mongolia, and Russia.