A scandent epiphyte, perhaps sometimes terrestrial and acaulescent or nearly so(?); petioles long and very slender, 40-65 cm. long; blades thin when dried and usually somewhat fuscous, rounded-ovate-cordate, 27-40 cm. long, 20-25 cm. wide, short-cuspidate, deeply cordate at the base, the basal lobes broadly rounded or obtusely angulate, directed downward, the sinus deep and narrow but open, the primary costal nerves about 10 on each side, divergent at a wide angle, con-spicuously stouter than the secondary nerves but nevertheless very slender; pedun-cles terete, slender, 8-10 cm. long; spathe green, the tube 3 cm. long, 2.5 cm. thick, the limb ovate-oblong, short-acuminate, 4-4.5 cm. long, 2.5-3 cm. wide when expanded; spadix short-stipitate, the pistillate portion cylindric, 2.5 cm. long, almost 1 cm. thick, the staminate part subclavate, 4 cm. long, 8-10 mm. thick at the middle, attenuate to each end, acutish; pistils prismatic, 1.8 mm. long, 4-to 6-celled, capped by the rounded stigma; cells of the ovary many-ovulate.
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