Rhizome terete, ca. 5 mm thick. Leaves 2- or 3-tufted; petiole 5--10 cm; leaf blade lorate to linear-lanceolate, 30--50 × 1--1.5 cm. Scape 1--1.3 cm; bracts 4 or 5. Flower solitary. Perianth pale green, campanulate, 6-lobed apically; tube ca. 10 × 6.5 mm; lobes recurved, oblong, ca. 5 × 3 mm. Stamens 6, inserted at middle of perianth tube, positioned nearly level with stigma, subsessile; anthers oblong, ca. 3 mm. Pistil ca. 6 mm; style articulate; stigma orbicular, slightly enlarged, ca. 4 mm in diam., slightly 6-lobed at margin. Berry globose, ca. 1 cm in diam., tuberculate. Fl. and fr. Oct.

* NC and W Guangxi (Luocheng Xian, Napo Xian).