Leaf 100–200 × 20–40 mm, pale green. Flower stem 250–550 × 2–4 mm, green, 2–15-flowered. Sterile bracts usually 2. Flowers often crowded, 30–55 mm across, golden yellow and often centrally brown or rich brown and yellow, externally yellowish brown. Sepals and petals 12–28 × 3–10 mm, labellum narrowest. Column 6–9 × 5–8 mm, yellow or orange, very broadly winged, wings spreading like a mantle, margins deeply and stiffly fringed (teeth to 2 mm long); dorsal surface of post-anther lobe with dense mass of orange papillae; supra-anther lobe 2–3 mm long, yellow, rod-like with swollen, notched apex; lateral lobes finger-like, 1–2.5 mm long, fleshy, yellow. Anther near column base, with curved, beak-like appendage 2.5–3.5 mm long.
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