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Lip 12–16 × 8 mm, recurved, 3-lobed at about halfway; side lobes erect, obtuse; mid-lobe oblong, 4–5 mm wide, the edges undulate, covered with white or yellow-green papillae.
Sepals erect or semi-erect, 13–15 × 2 mm, linear-lanceolate, acute, the lateral sepals slightly longer than the dorsal and pouched at the base.
Petals 10–12 × 3–5 mm, ovate or oblong, acute, often with 2–3 papillae on inner surface near the apex, lying over the column.
Perennating organs pseudobulbous, partly above ground, 4–4.5 cm tall, 1 cm in diameter, conical, forming a chain.
Inflorescences 1–2, laxly 2–5-flowered; scape with 1 ovate bract 10–11 mm long in basal half.
Leaves 3–5, 7–18 cm × 1–6 mm, linear, grass-like, partly developed at flowering time.
Roots arising from base of pseudobulb, 1.5 mm in diameter.
Pedicel and ovary arched, 11–14 mm long.
Slender terrestrial herb 20–30 cm tall.
Spur 2 mm long, cylindrical, decurved.
Column 8 mm long, slender, arched.
Bracts 8 mm long.
