Rhizome subterete, ca. 3 mm thick, densely covered with scales. Leaves solitary; petiole 7.5--25 cm; leaf blade elliptic to elliptic-ovate, 5--14 × 2.2--4.4 cm, base rounded or broadly cuneate, distal margin denticulate, apex acuminate, mucronate. Scape 0.7--1.5 cm; bracts ca. 4. Flower solitary, erect. Perianth white, campanulate, 5- or 6-lobed apically; tube ca. 5 × 5 mm; lobes broadly ovate, ca. 3.5 × 4 mm, 3-veined. Stamens 5 or 6, inserted in proximal part of perianth tube, subsessile; anthers oblong, ca. 2.5 mm. Pistil ca. 4.5 mm; stigma scarcely or slightly enlarged, ca. 2.5 mm in diam., slightly exceeding anthers. Berry pale purple, subglobose or depressed globose, 7--10 mm in diam., ca. 3-seeded. Fl. and fr. Jun--Jul. 2 n = 36*.

* Limestone caverns; 500--600 m. NW Guangxi (Fengshan Xian).