Rhizome subterete, 5--7 mm thick. Leaves solitary; petiole 6--13 cm, stiff; leaf blade sometimes inconspicuously yellowish white spotted, narrowly oblanceolate, 35--50 × 2.5--4 cm. Scape 3--2 mm; bracts several. Flower solitary. Perianth purple-red, campanulate, fleshy, 8-lobed apically; tube 9--11 × 6--10 mm; lobes slightly recurved, oblong, 3--4 × 1.5--2 mm, 2-keeled near base and papillose adaxially, keels fleshy, papillose. Stamens 8, inserted proximally in perianth tube, subsessile; anthers ovate, ca. 1 mm. Pistil 3.5--4 mm; stigma purple, peltate, orbicular, large, 5--6 mm in diam., exceeding anthers, 4-ribbed adaxially, 8-lobed at margin. Fl. Apr. 2 n = 38*.

* Moist places in forests; 400--1300 m. S Guizhou (Dushan Xian), W Hubei (Badong Xian), Sichuan.