Plants relatively slender, 1-3 m. tall, the stems somewhat spiral; leaves obovate to oblanceolate, narrowly and usually rather abruptly acuminate, base cuneate, 9-30 cm. long, 3-12 cm. broad, glaucous, the margins ferruginous-ciliolate, otherwise glabrous, very shortly petiolate; inflorescence spssile, set amongst the upper reduced leaves, broadly ovoid to cylindrical, 5-14 cm. long; bracts un-appendaged or the lowermost somewhat leaf-like, broadly ovate, obtuse, 2-3 cm. long, orange with a yellowish linear callus, glabrous or indefinitely papillate; calyx 0.5 cm. long, broadly 3-dentate, pale yellow flushed with pink at the tips; ovary 0.4 cm. long; corolla 2-3 cm. long, orange-yellow, the lobes obovate-oblong; labellum 3.0-3.5 cm. long, yellow; stamen about equalling the labellum.
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