Rhizome subterete, ca. 1.5 cm thick. Leaves solitary; petiole purple-brown, 45--75 cm, rigid; leaf blade oblanceolate, 50--70 × 10--15 cm. Scape 5--11 cm; bracts ca. 4. Flower solitary, erect. Perianth purple, deeply 12(--14)-lobed apically; tube 3.5--3.7 × 3.5--4 cm, villous; lobes slightly recurved, linear-lanceolate, 7--7.5 × 1--1.2 cm, basally expanded inward forming oblong, papillose appendages ca.13 × 6 mm. Stamens 12(--14), inserted at base of perianth tube, subsessile; anthers oblong, ca. 6 mm. Pistil ca. 9 mm; style articulate; stigma peltate, orbicular, large, to 2.2 cm in diam., 12(--14)-lobed at margin. Fl. May--Jun. 2 n = 38*.

Described from a cultivated plant originating from Guangxi, without precise locality.

* Guangxi.