Caudex thick; petioles fleshy, 10-13 cm. long, the sheath thin-coriaceous, persistent, 10-12 mm. wide on each side, slightly narrowed above and rounded at its apex, produced almost to the base of the blade; blades rather thick when dried, obliquely lance-oblong, 18-22 cm. long, 6.5-8 cm. wide, short-acuminate, obtuse or subacute at the base, the primary lateral nerves about 8-10 on each side, very oblique, rather prominent beneath; peduncles terete, 4-5 cm. long; spathes thin and subherbaceous when dried, 20 cm. long or more, the lowest portion 1.5 cm. thick, the limb oblong-lanceolate, cuspidate-acuminate, about 8 cm. long and 3-4 cm. wide; spadix adnate for half its length to the spathe, the lowest part naked, the staminate and pistillate portions separated by a sterile or naked interval 3 cm. long, the staminate portion of the spadix 6-7 cm. long, densely flowered; ovaries depressed-ovoid, 2-2.5 mm. in diameter; synandria 2-2.5 mm. in diameter.
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