Lip 20–21 × 12–16 mm, papillate all over, 3-lobed; side lobes rounded in front, mid-lobe elliptic, obtuse or rounded; callus of 3–4 fleshy ridges in basal third of lip; spur 4–5 mm long, conical, acute, upcurved at tip.
Inflorescence laxly or densely few-to many-flowered; scape with 2–3 tubular sheaths towards the base and 2–4 lanceolate, acuminate bracts above; rhachis up to 40 cm long.
Sepals and petals white, dull yellow or buff, lip deeper yellow, with 2 purple marks at the base and with red or purple hairs on the side lobes.
Sepals 15–25 × 2–7 mm, oblong-lanceolate, acute, the laterals oblique at the base and slightly narrower than the dorsal.
Perennating organs subterranean, rhizomatous, fleshy, 4–10 cm long or more, 4–16 mm in diameter, without roots.
Capsules pendent, up to 5 cm long, 8 mm wide, well developed on lowest flowers before topmost ones have opened.
Pedicel and ovary 25–35 mm long, the ovary soon swelling.
Petals 16–25 × 4–7 mm, oblong-spathulate, obtuse.
Bracts 28–50 × 6–9 mm, lanceolate, acuminate.
Leaves absent; whole plant buff-yellow.
Column 9–10 mm long; foot 1–2 mm long.
Terrestrial saprophyte 6–100 cm tall.
Brown scales on paler stem
Whitish or cream flowers.
Saprophyte