Plants 6-15 cm tall. Rhizome brown, obconic or fusiform, 2-4.5 cm, 5-8-noded, with 8-10 scales at each node, pilose. Peduncle pale brown, to ca. 13 cm, with several sheaths; rachis short, densely 3-10-flowered; floral bracts ovate, 6-8 mm, apex acute. Flowers suberect or nodding, resupinate, pale brown or blackish; pedicel and ovary 15-20 mm; pedicel elongating to ca. 30 cm in fruit. Perianth tube campanulate, 11-12 mm, outer surface verrucose; free portion of sepals curved inward, ovate, 3-5.5 mm, apex obtuse; free portion of petals subelliptic, much smaller than sepal lobes, thickened at base; lip yellow, simple, ovate, 7-8 × ca. 4 mm, glabrous, base clawed, margin irregularly denticulate; claw broad, with a pair of crestlike calli at base. Column clavate, ca. 4.5 mm; column wings triangular or subsquare; column foot prominent. Capsule fusiform, 32-35 mm. Fl. Sep-Nov. 2n = 22.
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