Plants 40-50 cm tall. Rhizome subcylindric; roots sparse, stout, fleshy. Stem robust, erect, tinged with purple, with many sheaths; sheaths mostly tubular, 1.5-3.5 cm, membranous. Inflorescence stout, 10-or more flowered; rachis less than 6 cm; floral bracts suberect, ovate to elliptic-lanceolate, large, 15-25 × 6-8 mm, longer than pedicel and ovary. Flowers suberect, not opening fully, pale purplish brown; ovary puberulent, including pedicel to 1.7 cm. Sepals ovate-lanceolate, ca. 30 × 6-7 mm, apex acuminate. Petals slightly shorter than sepals; lip slightly shorter than petals, contracted near base forming epichile and hypochile; hypochile slightly concave, winged; epichile subovate, lateral margins reflexed, erose. Column strongly arcuate, ca. 1 cm. Fl. Jun-Jul.
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