Roots robust. Stems robust, ca. 7 mm in diam. at base, stellate strigose, glabrous toward base. Petiole ca. 1/2 as long as blade, densely tufted pubescent; mid stem leaf blades ovate, to 16 × 7 cm, adaxially sparsely minute hispid, densely so on veins, abaxially densely tufted pubescent, base truncate to shallowly oblique cordate, margin mucronate-crenate, apex acute to rounded. Verticillasters compact, 5-8-flowered, widely spaced; floral leaves short petiolate, upper ones circular, ca. 1 cm in diam; bracts lanceolate, 1-2 mm, appressed stellate pilose, spinelike. Flowers sessile or very short pedicellate. Calyx narrowly funnelform, 8-9 mm, stellate tomentose, 11-veined; teeth broadly circular, apical spine 0.5-1 mm. Corolla yellowish, reddish on upper lip, 1.5-1.8 cm, silky-pilose outside; upper lip 6-7 mm, bearded inside, apex 2-lobed; lower lip lobes entire, lateral lobes slightly narrower and shorter than middle lobe.

Thickets; ca. 1900 m. Yunnan.