A rather large, assurgent, epiphytic or occasionally terrestrial, glabrous herb; stem few-leaved, 5-10 mm. thick when dry, ascending to 10-15 cm. or more, internodes mostly scarcely 10 mm. long, leaf scars large; leaves alternate, broadly oblanceolate, 5-9 cm. wide X 15-25 or even 30 cm. long, apex acuminate, often abruptly so, base cuneate-decurrent, pinnately nerved, midrib prominent, lateral nerves inconspicuous; petiole 1-4 cm. long, margined by the decurrent blade; spikes terminal, 5 or 6 mm. thick and up to 25 cm. or more long, densely flowered; peduncle 15-20 mm. long, commonly with a small leaf or bract near the middle; floral bracts round-peltate; fruit about 1 mm. long, ellipsoidal, yellow at the base, abruptly and truncately short-pointed; stigma apical.
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