Herbs perennial, 10-40 cm tall. Stems single or several and cespitose, appressed pubescent. Petiole of basal leaves 3-4 cm; leaf blade oblanceolate, 2-4 cm × 4-6 mm, appressed pubescent; stem leaves sessile, lanceolate to linear, 2-4 cm × 3-7 mm. Inflorescences terminal or axillary above, 5-10-flowered, frequently extra-axillary outside bracts. Pedicel 3-10 mm, short pubescent. Calyx lobes linear, ca. 2 mm, short appressed pubescent outside, with few hairs inside. Corolla blue or blue-purple, campanulate-rotate; tube ca. 1.5 mm; appendages low trapeziform or nearly square, ca. 0.5 mm, frequently papillate; limb 4-6 mm wide; lobes obovate to suborbicular, ca. 2.5 mm. Stamens inserted on middle of corolla tube; anthers ovate, ca. 0.5 mm. Style ca. 1 mm. Nutlets dorsiventrally compressed, sparsely pubescent, 2.5-3 × ca. 1.2 mm excluding glochids, adaxially protruding, abaxially slightly convex; marginal glochids to 1.9 mm, apex anchorlike; attachment scar below middle adaxially. Fl. and fr. Jul-Aug.
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