Plants stemless. Leaves basal; petiole 1-5.5 cm; leaf blade reniform to orbicular-reniform, 2-4.5 X 3.5-7.5 cm, papery, adaxially appressed puberulent, eglandular, abaxially sparsely pubescent along veins, eglandular, base cordate, margin coarsely dentate, teeth triangular, 1- or 2-denticulate to entire, apex rounded, basal veins 5; lateral veins ca. 2 on each side of midrib. Cymes ca. 4-flowered; peduncle ca. 10 cm, spreading pubescent; bracts free, narrowly oblong, ca. 5 mm, sparsely puberulent, margin few crenate. Pedicel 1.1-1.8 cm. Calyx actinomorphic, ca. 7 mm, shallowly 5-lobed; tube ca. 5 mm; lobes equal, triangular, 1.5-2 mm, outside puberulent, inside sparsely puberulent toward apex, margin entire. Corolla pink, ca. 3 cm, outside glabrous, inside sparsely puberulent; tube funnelform, ca. 1.8 X 0.9 cm; adaxial lip ca. 1 cm; abaxial lip ca. 1.6 cm. Filaments ca. 8 mm, with small glands; anthers ca. 2.5 mm, puberulent; staminodes 3, 0.6-0.8 mm. Pistil ca. 2.3 cm; ovary ca. 1.4 cm, densely puberulent. Style sparsely puberulent. Capsule 6.8-8.4 cm. Fl. Jun.

* SE Hunan (Chen Xian, Yongxing Xian).