Tuberous herb sprouting in autumn from a discoid, vertically orientated tuber 3-4 cm across, 2-2.5 cm thick. Petiole terete, 6-12 cm long, 3-4 mm wide, deep green. Leaf-blade ovate-cordate, apex acute, 6-12 cm long, 4-5 cm wide, deep green. Inflorescence smelling weakly of dung. Peduncle shorter than the leaves, 10-12 cm long, 4-5 mm wide, deep green. Spathe 8.5-13 cm long; spathe-tube cylindric, 2.5-3 cm long, c. 1 cm wide, barely constricted apically, exterior pale green, interior greenish white; spathe-limb lanceolate-oblong, acuminate, erect, 6-10 cm long, 2-3 cm wide, externally pale greenish yellow, internally similarly coloured but with faint purplish red staining, especially along the margins. Spadix c. 3/4 as long as the spathe-limb, 4-5 cm in total length; appendix slender-cylindric, tapering slightly towards the base, 2-2.5 cm long, 2-3 mm wide, dark purple. Staminodes in 5 or 6 whorls forming a zone 3-4 mm long; bristles filiform, flexuous, 3-6 mm long, cream tipped with- purple; bases globose, verruculose, cream. Interstices: upper ± absent, lower c. 1.5-2 mm long, cream. Staminate flowers in a subquadratic zone 2-3 mm long, 3-4 mm wide, purple. Pistillodes in 2 or 3 whorls forming a zone l-2 mm long; bristles filiform, flexuous, 4-8 mm long, cream, tipped with purple; bases globose, verruculose, cream. Pistillate flowers in a globose cluster 4-14 mm long, 3.5-5 mm wide; ovary oblong-cylindric to globose-oblong, 2-3.5 mm long, pale green, stigma darker. Fruiting spike unknown. Germination unknown.