Rhizome terete, 4--10 mm thick. Leaves solitary; petiole 10--15 cm, stiff; leaf blade narrowly lanceolate, 15--22.5 × 3--5 cm. Scape arching, ca. 3 cm; bracts ca. 5, dark reddish. Flower solitary, nodding. Perianth dark purple, cupular-campanulate, 6-lobed apically; tube basally pale yellow-brown speckled with purple; lobes ovate-deltoid, shorter than tube, adaxially papillose. Stamens 6(--8), inserted proximally in perianth tube, positioned nearly level with stigma, subsessile. Pistil equaling perianth tube; ovary purple speckled; stigma peltate, orbicular, large, strongly convex adaxially, inconspicuously 4-lobed at margin, lobes entire at apex. 2 n = 36*.