Plants monoecious. Rhizome yellowish brown, unbranched or in a small mass, subglobose, depressed, ca. 1.5 × 2.0 cm, surface with granular warts and scattered yellow stellate lenticels. Scapes reddish, 2-6 × 0.3-0.5 cm at anthesis. Leaves 5-8, spirally arranged or rather opposite, broadly ovate, 0.6-1.2 × 0.8-1.0 cm, apex obtuse. Inflorescences ellipsoid, 0.8-2 × 0.5-0.8 cm. Male flowers: basally on androgynous inflorescences, nearly actinomorphic, subtended by variously shaped bract(s). Pedicel ca. 0.8 mm. Perianth lobes usually 4, elliptic to widely ovate, apex acute or truncate. Synandria subglobose, subsessile; anthers ?4. Spadicles subclavate, apical 1/2 ellipsoid. Female flowers: yellowish. Fl. Sep-Nov.