Rhizome short. Pseudobulbs densely arranged in a row on rhizome, cylindric, 8-17 cm × 3-8 mm, apex 5-or 6-leaved. Leaves sessile, elliptic or oblong-lanceolate, 5-16 × 0.8-3 cm, base contracted, apex acuminate or long acuminate. Inflorescences 1-3, subterminal, shorter than leaves, more than 10-flowered; rachis and ovary densely yellowish brown pubescent; floral bracts ovate, 5-10 mm, glabrous, long acuminate. Flowers white, spotted with yellow on lip. Dorsal sepal oblong, 6-8 × ca. 2 mm, obtuse or acuminate; lateral sepals subfalcate, ca. 8 × 3 mm, acuminate. Petals narrowly oblong, 5-6 × ca. 2 mm, obtuse; lip obovate in outline, ca. 5 × 4 mm, 3-lobed from near middle; lateral lobes divaricate, oblong, apex reflexed; mid-lobe nearly oblate, rounded or acute, with a high central lamella from base to apical 2/3; disk with 3 thickened veins, lateral veins each with a triangular callus halfway. Column ca. 2 mm; foot ca. 2 mm. Capsule cylindric, ca. 1 cm × 3 mm. Fl. Jun-Jul, fr. Aug. 2n = 38, 42.
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