Herbs perennial, spreading-ascending or with stolons. Stems 1 to few, 7-32 cm tall, basally leafless, densely gray villous or lanate-villous. Petiole obsolete to 5 mm, grooved, narrowly winged, villous; leaf blade oblong-obovate to triangular-obovate, 1.5-3 × 0.8-1.8 cm, black when dry, abaxially reddish, pilose, base cuneate-decurrent, margin irregularly, remotely serrate to subentire, ciliate, apex obtuse to 3-lobed. Verticillasters 4-8-flowered. Pedicel absent to obsolete. Calyx purple, funnelform, 5-7 mm, villous; teeth lanceolate to lanceolate-triangular, more than 1/2 as long as calyx, villous-ciliate. Corolla rose to purple-red or purple-blue, tubular, straight, base slightly bent, 8-10 mm, pilose or sparsely puberulent, yellowish glandular, villous annulate inside; upper lip erect, circular, apex emarginate; middle lobe of lower lip obovate, apex emarginate, lateral lobes oblong. Nutlets brown, areole to 1/2 as long as adaxial side of nutlet. Fl. Aug-Nov, fr. Oct.

Used medicinally.

* Dry, sloping areas in low grass; 2400-2700 m. Yunnan