Plants glabrous. Rhizome slender, glabrous, with a funnel-shaped sheath on each node. Pseudobulbs 2-2.5 cm apart from each other, slightly curved, cylindric, 6-7 cm × 6-8 mm, apex 2-leaved. Leaf blade elliptic or elliptic-lanceolate, 14-19 × 2-4 cm, with 8 or 9 main veins, acuminate. Inflorescence subterminal, usually pendulous, 14-18 cm, many flowered; floral bracts persistent, lanceolate to subulate, 1-4 mm. Flowers grayish green, with purplish brown stripes on sepals and petals, ca. 1 cm in diam.; pedicel and ovary ca. 1 cm. Dorsal sepal oblong, ca. 12 × 3 mm, obtuse; lateral sepals obliquely triangular-oblong, falcate, ca. 10 × 4 mm, acute; mentum ca. 5 mm. Petals lanceolate-oblong, ca. 12 × 5 mm, obtuse; lip oblong in outline, ca. 12 × 5 mm, base attenuate, margin entire, apex subtruncate and slightly mucronulate, with 5 undulate lamellae running nearly from base to apex. Column laterally compressed, nearly ca. 7 mm (with anther cap), slender, foot to 7 mm. Fl. unknown.
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