Rhizome 1--2 cm thick, stout. Leaves 3--5-tufted; petiole 5--13 cm; leaf blade lorate, 8--100 × 2--4 cm. Scape 3--12 mm; bracts 3 or 4. Flower solitary. Perianth purple or purple-red, campanulate, 6(--8)-lobed apically; tube 0.8--1.1 × 1.2--1.4 cm; lobes deltoid-ovate, 7--8 × 4--5 mm, 4(--6)-keeled adaxially, keels fleshy, papillose, extending from middle or base of tube to apex of lobes. Stamens 6(--8), inserted proximally in perianth tube; filaments ca. 1 mm; anthers transversely elliptic. Pistil ca. 6 mm; stigma peltate, orbicular, large, 0.9--1.3 cm in diam., exceeding anthers, with white, convex markings. Fl. Mar. 2 n = 38*.
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