Plants 4.5-7 cm tall. Pseudobulbs contiguous, regularly arranged in a row on rhizome, oblong, slightly curved, 1-3 cm × 5-10 mm, apex 2-4-leaved. Leaves shortly petiolate, oblong-lanceolate, 3.5-5 × 0.4-0.7 cm, base attenuate, apex obtuse. Inflorescences 1 or 2, subterminal, shorter than leaves, 1-3-flowered; peduncle ca. 2 cm, with small sheaths at base; rachis often brownish villous; floral bracts lanceolate, ca. 6 mm, acute. Flowers white, lip yellow; pedicel and ovary longer than floral bract, brown villous. Dorsal sepal elliptic, ca. 8 × 3 mm, obtuse; lateral sepals obliquely oblong, ca. 8 × 4 mm, obtuse. Petals obovate-oblong, ca. 8 × 2 mm; lip obovate, ca. 6 × 5 mm, base attenuate, 3-lobed; lateral lobes ± suborbicular, ca. 2.5 × 2.5 mm, obtuse-rounded; mid-lobe ovate, 2-3 × ca. 2 mm, ± thickened, adaxially papillate, obtuse; disk with 3 veins from base to base of mid-lobe. Column ca. 3 mm; foot ca. 3 mm. Capsule cylindric, ca. 1.5 cm, brown villous. Fl. May-Jun.
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