Pseudobulbs close, purplish, narrowly ovoid, ca. 4 cm, base ca. 1.5 cm in diam. Petiole ca. 3 mm; leaf blade abaxially purple, adaxially deep green, broadly ovate, 4.5-7 × 3-5 cm, somewhat fleshy or thickly leathery, base rounded, apex acute. Inflorescence erect; peduncle ca. 18 cm, 2-3 mm in diam., near middle with 1 membranous tubular sheath; rachis 4-or 5-flowered; floral bracts narrowly lanceolate, ca. 1 cm, acuminate. Flowers yellowish green; pedicel and ovary ca. 1 cm. Dorsal sepal lanceolate, ca. 12 × 2 mm, 3-veined, long acuminate; lateral sepals similar to dorsal sepal, base adnate to column foot forming a conspicuous mentum. Petals similar to sepals in shape, ca. 12 × 1.2 mm, 3-or 4-veined, acute; lip obovate, 3-lobed near middle; lateral lobes ovate-triangular, small, ca. 7 mm wide at apex, acute; mid-lobe obovate, ca. 6 mm wide, mucronate; disk with 3 lamellae, median smaller. Column ca. 4 mm; foot ca. 0.4 mm. Fl. Mar.
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