A large or small, epiphytic vine, the caudex short or elongate, often 1 cm. or more in diameter, the internodes mostly elongate; petioles thick and succulent, 10-14 cm. long, semiterete; blades rather thick and subcoriaceous when dried, dark green, oblong or obovate-oblong, commonly 20-30 cm. long and 7-12 cm. wide but often larger, obtuse or rounded at the apex and cuspidate, shallowly cordate at the broad base, the sinus broad and open, often very shallow, the basal auricles broadly rounded, the primary nerves 7-10 on each side, widely spreading; peduncles short, stout, terete; spathes oblong-lanceolate, 14-18 cm. long, 5-7 cm. wide when expanded, white, short-acuminate, the tube equaling or slightly shorter than the limb; spadix subsessile, white,'the pistillate portion cylindric, 4-5 cm. long, or in fruit to 7 cm. long and 1.5 cm. thick, the staminate part 6-8 cm. long, narrowed upward, very obtuse; pistils obovoid, 4-to 7-celled, capped'by the small, orbicular stigma; berries red, subtetragonous-prismatic, 3 mm. long, 1.5 mm. thick; seeds ovoid, smooth, pale orange.
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