Plants almost a meter high; petioles slender, about 60 cm. long, geniculate 2 cm. below the apex; blades broadly elliptic, 30-40 cm. long, 15-20 cm. wide, long-cuspidate, broadly rounded or very obtuse at the base, somewhat asymmetric, the primary lateral nerves 13-15 on each side, divergent at a wide angle; peduncles 70-80 cm. long, 2 cm. or less in diameter, the stipitiform portion 1 cm. long; spathe deep green, oblong-lanceolate, about 12 cm. long and 2.5-3.5 cm. wide, cuspidate; spadix cylindric, 9-12 cm. long, grayish; pistils subturbinate, 4 mm. long, the cells 4-ovulate.
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