Description from Flora of China
Herbs rhizomatous. Stems ca. 30 cm tall, erect-ascending, purplish, finely pubescent, unbranched. Petiole ca. 1 cm; leaf blade ovate, 1.8-3.5 × 1.2-2 cm, herbaceous or papery, very sparsely fine strigose, abaxially sometimes purplish, veins densely whitish pubescent, base shallowly cordate, apex acute. Racemes terminal, ca. 8 cm; bracts short petiolate, ovate, ca. 6 mm, margin entire. Pedicel purplish, ca. 3 mm, finely pubescent. Calyx ca. 4 mm, very sparsely pubescent outside, slightly dilated after flowering; scutellum ca. 2.5 mm, to 4 mm in fruit. Corolla purplish, ca. 2.7 cm, glandular puberulent outside, tube base inconspicuously saccate, throat to ca. 4 mm wide; middle lobe of lower lip triangular-oblate, ca. 6 × 8 mm, apex emarginate, purple spotted; lateral lobes ovate, ca. 4.5 mm wide, apex emarginate. Nutlets unknown. Fl. May.
* Ravines in broad-leaved evergreen forests; ca. 1900 m. Yunnan (Wenshan Xian).