Leaf linear, 70–220 × 1–2.5 mm. Flower stem 80–200 mm tall, 1–3-flowered. Flowers 10–15 × 14–17 mm, white or cream to greenish yellow with bronze tints, tips brownish, externally darker; labellum white with white to yellowish or purple calli, lateral lobes white to greenish yellow, midlobe red; column greenish with red markings. Dorsal sepal strongly incurved, 8–10 × 2.5–3 mm. Lateral sepals 10–12 × 2.5–3 mm, spreading to deflexed, widely divergent, tips sometimes drooping. Petals 8–11 × 2–2.5 mm, spreading or upcurved, tips sometimes drooping. Labellum 5–6 × 3.5–4 mm, obscurely 3-lobed; lateral lobes erect with granular yellow or purple marginal teeth; midlobe recurved, with similar teeth. Calli crowded in 4 rows to apex. Column 5–6 × 2 mm, narrowly winged.