Rhizome terete, thickened, ca. 1 cm thick, usually covered with scales. Leaves solitary; petiole 30--40 cm; leaf blade oblanceolate, 45--50 × 7--10 cm. Scape erect, 3--5 cm; bracts 3--5. Flower solitary. Perianth tubular-campanulate, 2--2.5 cm, 7- or 8-lobed apically; lobes reflexed, speckled with black, ovate-deltoid, 7--8 mm. Stamens 7 or 8, inserted at middle of perianth tube, subsessile; anthers narrowly oblong, ca. 2.5 mm. Pistil 4--5 mm; ovary broadly conical, ca. 2 mm; style ca. 2 mm; stigma peltate, large. Berry green, globose, 2--2.5 cm in diam. Fl. Jun, fr. Jun. 2 n = 36*.

* Mountains; 1000--2000 m. Taiwan.