Description from Flora of China
Plants perennial. Stems robust, brown villous. Petiole of basal leaves 2-8 cm, shorter to obsolete in upper leaves, brown villous; leaf blade broadly ovate to circular, 2.3-13 × 1.2-6.5 cm, densely glandular, pilose on veins, base cordate to hastate, margin crenate, apex rounded to obtuse. Verticillasters 2-6-flowered, in racemes or panicles to 20 cm; rachis densely brown villous; lower bracts subcircular, 1-2 cm in diam., upper bracts broadly ovate to ovate. Pedicel ca. 2 mm, densely brown villous. Calyx broadly campanulate, 1-1.5 cm, sparsely glandular, brown villous along veins; upper lip entire, emarginate; lower lip slightly longer, teeth triangular, apex short mucronate. Corolla sparsely pubescent, densely so on upper lip outside; tube pilose annulate inside, base cylindric, apex dilated on upper side, 2-3 cm, slightly curved upward; upper lip erect, circular-ovate, ca. 9 mm; lower lip longer, middle lobe obcordate, ca. 0.8 × 1.2 cm, margin slightly undulate, glabrous; lateral lobes semicircular, ca. 5 mm wide, ciliate. Filaments ca. 7 mm; connectives ca. 6 mm, arcuate, arms subequal. Style exserted. Nutlets unknown. Fl. Apr-May.
Forests, hillsides, grasslands, bamboo forests, pine forests; 2700-3300 m. Sichuan, Yunnan