Rhizome subterete, 6--8 mm thick. Leaves solitary; petiole 22--24 cm; leaf blade green with yellowish white spots, linear-lanceolate, 60--70 × 3.5--4.5 cm. Scape 1--2 cm; bracts ca. 4. Flower solitary. Perianth suburceolate, 8-lobed apically; tube ca. 8 × 7 mm, with fleshy keels on both surfaces; lobes reflexed, deltoid-oblong, ca. 3 × 1.5 mm, adaxially with 2 or 3 papillose keels. Stamens 8, inserted proximally in perianth tube, subsessile; anthers oblong, ca. 1.5 mm. Pistil ca. 7 mm; ovary enlarged, ridged; style articulate; stigma peltate, orbicular, ca. 4 mm in diam., convex at center, 8-lobed at margin. Fl. Nov.
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