Leaves few or numerous, erect, the petioles 10-21 cm. long, geniculate 5-15 mm. below the apex, conspicuously vaginate, the green sheath extending some-times almost to the apex of the petiole; blades oblong-lanceolate or oblong-elliptic, 13-24 cm. long, 2.5-7 cm. wide, very narrowly attenuate-acuminate, narrowed to the acute and slightly unequal base, the primary lateral nerves about 20 on each side, ascending at a narrow or rather wide angle; peduncles 20-35 cm. long, very slender, the stipitiform portion 5-10 mm. long; spathe white or green and white, 6-10 cm. long, 2-3 cm. wide, narrowly long-cuspidate-attenuate; spadix whitish or greenish yellow, cylindric, slightly attenuate to the apex, 2-6 cm. long, 5-8 mm. thick; sepals 1.5 mm. long and equally wide; pistils short-obpyramidal, 1.2 mm. long, the cells 1-or 2-ovulate.
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