Plants epiphytic, rather large and coarse, the caudex short or almost none, very thick; petioles about one-fifth as long as the blades or shorter, stout, short-vaginate, about 10 cm. long, often 1 cm. or more in diameter, the very thick node as much as 2 cm. long; blades coriaceous, oblanceolate-spatulate to obovate-cuneate, commonly 60-70 cm. long and 15-20 cm. wide, obtuse 'to rounded at the apex and cuspidate-apiculate, gradually narrowed from the upper third to the long, attenuate base, the lateral nerves numerous, the primary ones rather stout and prominent, ascending at an angle of 45 degrees or more, 2.5-3 cm. apart, united to form a distinct, prominent, regular connective nerve 1.5-2 cm. from the margin; peduncles as much as 50 cm. long, rather stout; spathe 9 cm, long or more, apparently early deciduous; spadix borne on a stout stipe 8-14 cm. long, the spadix cylindric, 12-17 cm. long, 1.5-2 cm. thick, obtuse; sepals 3 mm. long, 1 mm. wide; ovary ovoid, 3 mm. long, contracted into a style 1 mm. long.
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