Leaf 200–350 × 6–12 mm. Flower stem 450–900 mm tall, 1–3-flowered. Flowers very large, 70–150 mm across, with a faint, sweet scent, cream to greenish white, sometimes with red suffusions and stripes; sepals and petals with long, greenish or brownish, densely glandular, thread-like tips (no clubs). Dorsal sepal erect at base then incurved or recurved and drooping, 130–200 × 3–5 mm. Lateral sepals lax to pendulous, 130–200 × 5–7 mm, divergent. Petals lax to pendulous, 95–150 × 3–5 mm. Labellum 25–35 × 12–17 mm, greenish white with a maroon apex; margins with numerous, spreading, thin teeth to 10 mm long; tip recurved. Calli to 2.5 mm long, maroon or white, in 4 rows nearly to labellum apex. Column 18–23 × 8–12 mm, creamy yellow with pink markings.
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