Stems 8-18 cm, densely appressed pubescent. Leaves opposite; petiole 0.2-3.8 cm; leaf blade oblique, elliptic to ovate or obovate, 3.5-16 X 2-9 cm, herbaceous, appressed pilose, eglandular, base oblique, cuneate to rounded, margin double dentate to serrate, apex acute to rounded; lateral veins 5-8 on each side of midrib. Cymes 3-15-flowered; peduncle 4-8 cm, sparsely glandular puberulent; bracts free, orbicular to ovate, 3-4 mm, glabrous or with very few short glandular hairs, margin entire. Pedicel 3-10 mm. Calyx zygomorphic, 4.5-5 mm, 3-sect from base; adaxial lip shallowly 3-lobed, broadly obtrapeziform, ca. 3 mm wide, lobes triangular, ca. 1 mm wide, 2 abaxial segments oblong, ca. 1.5 mm wide, outside sparsely glandular puberulent, inside glabrous, margin entire. Corolla purple to purplish red, 2-2.5 cm, glabrous; tube cylindric, ca. 1.8 cm X 3 mm; adaxial lip ca. 3 mm; abaxial lip ca. 7 mm. Filaments ca. 3.5 mm, glabrous; anthers ca. 1.5 mm, puberulent; staminodes 2, 0.8-1 mm. Pistil ca. 1.6 cm, glabrous; ovary ca. 1.1 cm. Capsule 1.8-3 cm. Fl. Jul, fr. Oct.

* Forests, on rocks in montane regions; 2100-2700 m. SW Yunnan.