Plants epiphytic, large and coarse, acaulescent or nearly so, the caudex short and very thick; petioles one-fourth as long as the blades or shorter, mostly 10-15 cm. long but often shorter, with a short, oblong node; blades coriaceous when dried, oblong-oblanceolate or oblanceolate, 30-50 cm. long and 10-13 cm. wide or sometimes larger, acute or acuminate, gradually long-attenuate from above the middle to the long and narrow, often almost stipe-like base, the costa stout and prominent, the primary lateral nerves few, rather slender, prominent on both sur-faces, arcuately ascending at an angle of about 45 degrees, not'united to form a distinct collective nerve; inflorescences still imperfectly known.
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