Lianas. Stem green, cylindric, 1-2 m, 2-3 cm in diam., internodes 0.5-2.5 cm. Petiole 41-49 × ca. 1.5 cm, basal 3-4 cm sheathing; pulvinus indistinct; leaf blade pale green abaxially, green adaxially, oblong-ovate in outline, ca. 50 × 35 cm, subleathery, base rounded or subcordate, pinnately divided; pinnae 6-9 per side, broadly linear, oblique, those at middle of leaf 4-5 cm wide, apex truncate with falcate tip; costae 3 or 4, equally strong, parallel; sinuses nearly reaching midrib. Peduncle solitary, cylindric, 15-20 cm × 8-10 mm. Spathe unknown. Spadix sessile, pale green, cylindric, ca. 10 × 1.8 cm. Ovary quadrangular-cylindric or pentagonal-cylindric, apex truncate; stigma capitate. Fr. Nov-Mar.
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