Herbs perennial, to 20 cm tall. Stems several, cespitose, not branched or only branched above. Basal leaves oblanceolate to narrowly oblong, 2-8 cm × 2-10 mm, base attenuate into a petiole, apex obtuse to rounded; stem leaves ± sessile, 1 or 2 leaves subtending inflorescences, wider and involucrelike; leaf blade oblanceolate-oblong to oblong, 1.5-2.5 cm. Inflorescences terminal, becoming racemose. Fruiting pedicel to 1.3 cm, sparsely pubescent; bracts narrowly ovate to ovate. Calyx lobes ovate to ovate-oblong, 2-2.5 mm, short appressed pubescent outside, sparsely short appressed pubescent inside above middle. Corolla blue, campanulate-rotate; tube ca. 2 mm; appendages low trapeziform, slightly surpassing throat, pubescent apically and laterally, with an obovate emergence inside; lobes elliptic, ca. 3 mm. Stamens inserted at middle of corolla tube; anthers ovate, ca. 0.6 mm. Gynobase ca. 0.5-0.7 mm in fruit. Nutlets dorsiventrally compressed, ca. 2.5 × 2 mm excluding marginal glochids, glabrous or sparsely pubescent, adaxially keeled, abaxially slightly convex; marginal glochids triangular, usually bluish, confluent at base into a broad wing; attachment scar at middle adaxially. Fl. and fr. Jul-Aug.
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