Rhizome stout, densely covered with membranous sheaths. Pseudobulbs oblong, 8-17 × nearly 1 cm, 1-noded, young pseudobulb arising from near middle of an old pseudobulb, apex 2-4-leaved. Leaves subsessile, oblong, 13-23 × ca. 2 cm, fleshy, base narrowed, articulate, apex acuminate. Inflorescence subterminal, ca. 24 cm, yellowish brown tomentose, many flowered; floral bracts lanceolate, 1.5-3 cm, both surfaces yellowish brown tomentose, apex acute. Flowers yellowish brown, ± fleshy; pedicel and ovary ca. as long as or shorter than floral bracts. Sepals densely yellowish brown tomentose abaxially; dorsal sepal oblong, 12-15 × 6-8 mm, 7-veined, slightly obtuse; lateral sepals subtriangular, 10-12 × 8-10 mm. Petals oblong, 12-13 × 4-5 mm, glabrous, 3-veined, obtuse; lip 5-lobed, 2 basal lobes ± auriculate; 2 lateral lobes conduplicate or subcylindric; mid-lobe recurved, oblong, truncate; disk thickened, strongly convex, adaxially papillate, near base with 3 transverse channels. Column ca. 4 mm, stout; foot ca. 5 mm. Fl. Apr-Jun. 2n = 38.
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