Description from Flora of China
Plants perennial. Stems erect, unbranched, 20-25 cm, densely white villous, sparsely glandular, glabrescent toward base. Petiole ca. 2 × as long as blade, slightly thickened, villous; leaf blade broadly cordate-ovate, 4-9 × 4-9 cm, margin mucronulate denticulate-crenulate, apex subacute. Racemes dense, 2-6.5 cm; rachis densely fine villous; lower bracts leaflike, upper bracts broadly ovate, long acuminate, shorter than to subequal to calyx. Pedicel fine villous, 3-5 mm. Calyx campanulate, 1.2-1.5 cm, sparsely glandular, pilose on veins, 2-lipped to ca. 1/3 its length; upper lip subcircular, with 3 teeth 0.5-1 mm; teeth of lower lip ovate-triangular, ca. 4 mm. Corolla purplish, 1.8-2.2 cm; tube slightly exserted to 2 cm, adaxially gradually dilated, ca. 8 mm wide at mouth, projected, subglabrous, pilose annulate inside; upper lip ca. 5 mm, straight, 2-lobed nearly to its base; lobes ovate, subacute, finely white villous outside, glabrous on margin; lower lip almost as long as upper, middle lobe subcircular; lateral lobes ovate-triangular. Connectives 2-3 mm (specimens not seen).
* Forests; 3800-4300 m. Yunnan.