Pseudobulbs ellipsoid, 2.5-3 × 1-1.5 cm, 1-or 2-noded, usually with a smaller leaf near or above middle and 3 or 4 much larger leaves at apex; small leaf narrowly ovate, 1.5-6.5 cm; apical leaves narrowly oblong-lanceolate or lanceolate, (4-)8-16.5 × 0.6-1.4 cm, base attenuate into petiole 1-2 cm, apex acuminate. Inflorescences 1 or 2, subterminal, suberect, 4.5-7.5 cm, many flowered; rachis sparsely rusty puberulent; floral bracts reflexed, brown when dried, lanceolate, 4-5 mm, membranous. Flowers greenish yellow, ca. 3 mm in diam.; pedicel and ovary 1-1.5 mm. Dorsal sepal broadly ovate or ovate-elliptic, ca. 3 × 2 mm, glabrous, acuminate or obtuse; lateral sepals obliquely ovate, similar in size to dorsal sepal. Petals ovate or broadly ovate, ca. 2 × 1.5-1.8 mm, acute; lip ± cross-shaped in outline, 2-2.5 mm, base with a grooved claw 0.6-0.8 mm, 3-lobed; lateral lobes ± quadrate-flabellate, ca. 1 × 1 mm, margins undulate; mid-lobe oblong, ca. 1.2 × 1 mm; disk with 4 or 5 slightly thickened veins. Column ca. 0.7 mm; foot ca. 1.1 mm. Fl. Jul-Aug.
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