Rhizome terete, 3--5 mm thick. Leaves solitary; petiole 5--25 cm, stiff; leaf blade with yellowish white spots basally, elliptic to elliptic-lanceolate, 14--25 × 3--7 cm. Scape 2--3 cm; bracts 1 or 2. Flower solitary. Perianth purple-red, campanulate, 6-lobed apically; tube 5--7 × 8--11 mm; lobes recurved, deltoid-ovate, 4--5 × 2--4 mm, adaxially with 4 fleshy, papillose keels. Stamens 6, inserted proximally in perianth tube, subsessile; anthers ovate. Pistil 4--5 mm; stigma yellowish white or purple, peltate, orbicular, large, ca. 9 mm in diam., 6-lobed at margin, lobes with a white hollow adaxially. Berry ellipsoid-ovoid, 1--1.3 cm in diam., tuberculate. Fl. Jan--Feb, fr. Aug--Dec. 2 n = 38*.

* Forests; ca. 1200 m. Sichuan.