Leaf lanceolate, 60–100 × 4–7 mm. Flower stem 120–200 mm tall, wiry, 1-or 2-flowered. Flowers 20–40 mm across, greenish cream to yellowish with light red stripes; labellum greenish cream with red stripes and large, dark red apex; calli dark red; column translucent with red markings; sepals with short, thick, red clubs 5–12 × 1 mm; petals lacking clubs. Dorsal sepal erect, 20–30 × 1.5–2 mm. Lateral sepals stiffly deflexed, 25–35 × 3 mm, divergent. Petals spreading to stiffly deflexed, 20–25 × 2 mm. Labellum stiffly hinged, 11–13 × 7–8 mm; margins with 4–6 pairs of purplish red teeth to 0.5 mm long; tip downcurved. Basal calli 6–8, c. 1.3 mm long. Lamina calli to 1.5 mm long, crowded in 4 rows. Column 10–13 × 2–4 mm, broadly winged; basal glands c. 1 mm long, obovoid, yellow with red base.
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