Description from Flora of China
Herbs perennial, erect, stoloniferous. Stems branched from base, 10-30 cm tall, gray villous or lanate-villous especially on young parts. Basal petioles 1-1.5 cm; basal leaf blade spatulate to oblanceolate, 2-4 × 0.7-1.2 cm; stem blades sessile or subsessile, obovate to subcircular, 1-1.5 × 0.6-1 cm, pilose or strigose, base cuneate-decurrent, margin inconspicuously to irregularly undulate-crenate, ciliate, apex obtuse to subrounded. Basal verticillasters widely spaced, apical verticillasters in dense spikes; basal floral leaves densely lanate-villous, incised, ciliate. Calyx campanulate, 4.5-6 mm, villous especially on teeth; teeth subulate-triangular, regular, 1/2 or more as long as calyx, apically acute, margin villous-ciliate. Corolla purple or purplish with dark purple spots, tubular, slightly exserted, puberulent, yellowish glandular, villous annulate inside; upper lip straight, apex emarginate; middle lobe of lower lip obcordate, lateral lobes oblong. Nutlets oblong to oblong-obovoid, adaxially swollen at middle, areole to 2/3 or more as long as adaxial side of nutlet. Fl. Apr-Jun, fr. May-Jun (or later).
Used medicinally to stop bleeding and reduce inflammation.
Grassy slopes. Sichuan, Yunnan [Afghanistan, India, Myanmar, Nepal]