Herbs perennial. Stems usually numerous, cespitose, erect to ascending, branched below or not, 10-40 cm tall, strigose. Leaves numerous; petiole 1-4 cm; leaf blade elliptic to oblong-lanceolate, 0.7-3 cm × 3-15 mm, abaxially strigose, base narrowly cuneate to rounded, apex rounded, mucronate; upper stem leaves short petiolate or subsessile. Inflorescences of middle and lower stems and branches extra-axillary, 1-flowered, bracteate and several flowered on stem apices. Pedicel 1-10 mm, to 2 cm in fruit, straight and obliquely spreading, or tortuous. Calyx lobes ovate, ca. 1.5 mm, slightly enlarged to 2-3 mm, strigose, apex acute. Corolla light blue; tube ca. 2 × 2 mm; limb 4-5 mm wide; lobes suborbicular. Anthers oblong, apex obtuse. Mature nutlets dark brown, oblique subulate, trigonous-tetrahedral, sparsely pubescent, adaxial bottom surface slightly convex, smaller, 2 lateral surfaces equal in size, slightly concave; abaxial surfaces flat, triangular-ovate, ca. 1.3 mm, narrowly 3-ribbed; carpophore ca. 0.2 mm, sharply recurved. Fl. Jun-Jul, fr. Jul-Aug.
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