Epiphytic vine; stems 4-8 mm diam, weakly rooting at lower nodes; internodes mostly 1-5 cm long. Petioles 1.5-8.5 cm long, the sheath thick, extending almost to blade, the upper edge free; blades lanceolate to narrowly elliptic, sharply acuminate, cuneate to rounded and often unequal at base, 4-18 cm long, 1-7 cm wide, entire, the lower leaves deciduous; midrib distinguishable almost to apex, all lateral veins equally indistinct, +/- parallel to midrib. Peduncles 6-8 cm long, frequently recurved near apex before anthesis; spathe acuminate, 4-6 cm long, soon deciduous; spadix 2-4 cm long in flower, ca 4 mm diam, the stipe obsolete or to 3.3 mm long; flowers bisexual, naked; stamens 4; pistils ca 4 mm diam, 2-locular; style raised, cylindrical; fruiting spadices white, fleshy. Seeds obovate, to 1.8 mm long, tan, with many vertical greenish lines, constricted slightly below base. Croat 14038.