Stem scandent, internodes 4-5 cm long. LEAF blades coriaceous, glossy, subreniform, abrupt, ('subcaudata'), cordate at base, 9.5-11 cm wide, suequally long with a reflexed apex (almost 2 cm long). Sinus campanulate 2-2.5 cm deep; midrib and primary veins numerous, subequal scarcely prominent. Petiole slightly shorter than blade, terete, sheathed for 1 cm in leaves with inflorescences, others sheathed to halfway. INFLORESCENCES paired, peduncle ca. 2 cm long. Spathe white, slender 4-5 cm long, º cylindric-convolute, spurred at apex. Spadix slightly shorter than spathe, to 4 cm long, 3 mm thick, staminate part scarcely longer than pistillate part. Ovary ca. 1 mm wide, 5-locular, locules uniovulate, ovules fixed near base of locule.