Rhizome creeping, subterete, covered with scales. Leaves solitary; leaf blade oblong or ovate-oblong, 10.5--14 × 4--5 cm. Scape 5--10 mm. Flower solitary. Perianth purple, campanulate, 6-lobed apically; tube 7--8 mm; lobes oblong, 3--4 × ca. 2.5 mm. Stamens 6, inserted proximally in perianth tube; anthers broadly elliptic, 1.2--1.5 × 0.8--1.2 mm. Pistil 6--7 mm; style long, slender; stigma enlarged, ca. 1.7 mm in diam., convex adaxially, 3-ridged. Berry globose, 8--10 mm in diam., scabrous. Fl. Nov.