Herbs perennial, 15-25 cm tall. Stems cespitose, often decumbent, short branched above or not, sparsely short appressed pubescent. Petiole of basal leaves 1-2 cm; leaf blade spatulate, 2-3 cm × 3-7 mm, abaxially densely short appressed pubescent, adaxially glabrous or pilose, base attenuate, apex obtuse; stem leaves sessile, spatulate to oblanceolate. Inflorescences terminal, several flowered, branches 2-3 cm, bracteate. Pedicel to 6 mm, sparsely pubescent. Calyx lobes oblong to ovate, ca. 1.5 mm, appressed pubescent outside, subglabrous inside. Corolla blue, campanulate-rotate; tube ca. as long as calyx lobes; appendages papillate; limb ca. 7 mm wide; lobes suborbicular, 2-2.5 mm wide. Gynobase fastigiate, 4-angled. Nutlets subturbinate, glabrous or somewhat pubescent, 2-3.5 × 1.3-2.5 mm excluding marginal glochids; marginal glochids ca. 0.6 mm, free; attachment scar small. Fl. and fr. Jun-Aug.