Plants epiphytic, more or less scandent or creeping, with numerous long roots arising from the nodes, the caudex slender, as much as 7 mm. in diameter; cataphylls linear, elongate, brownish, soon deciduous; petioles very slender, some-times longer than the blades but usually shorter, 12-30 cm. long, geniculate 1-1.5 cm. below the apex, the node very slender; blades almost membranaceous when dried, epunctate, lance-oblong, 12-24 cm. long, 3-6.5 cm. wide, caudate-acuminate, obtuse or rounded at the base, the numerous primary lateral nerves diverging at a rather wide angle, very slender, prominent, united to form a distinct and almost regular collective nerve 3 mm. or more from the margin; peduncles slender, equaling or shorter than the petioles, 20 cm. long or less, very slender; spathe lance-linear, long-acuminate, green or yellowish green, 4-4.5 cm. long, 4-7 mm. wide; spadix conspicuously stipitate, cylindric, 2.5-3.5 cm. long, obtuse, pale yellow or yellowish green; ovary short-ovoid, with a very short style.
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