A large, epiphytic vine, doubtless with a thick caudex; petioles rather stout, terete, as much as 50 cm. long, at the base 1.5 cm. thick, attenuate upward; blades rather thick and coriaceous when dried, usually triangular-ovate-cordate, 30-50 cm. long and 25-30 cm. wide, or often much larger, almost obtuse at the apex and obliquely short-cuspidate, the basal lobes rounded or rounded-obtuse, often slightly spreading outward, separated by a rather shallow, very broad sinus, the primary costal nerves 6-7 on each side, divergent at a wide angle, much stouter than the secondary nerves; peduncles 12-15 cm. long, stout; spathe white or whitish, or in fruit red, the tube ovoid, 5 cm. long and 3 cm. broad, the blade oblong, as much as 8 cm. long, acute; spadix subsessile, the pistillate portion subovoid or ellipsoid, 5-7 cm. long, 2 cm. or more in diameter, the staminate portion cylindric, about as long as the pistillate, 12 mm. thick; pistils ovoid-oblong, 3-3.5 mm. long, 2 mm. broad, 5-or 6-celled, crowned by the orbicular stigma.
Home