Leaf 80–150 × 3–4 mm. Flower stem 180–300 mm tall, 1-or 2-flowered. Flowers 10–20 mm across, yellowish green with prominent dark red suffusions and markings; lateral sepals and petals with short pointed tips, petal tips incurved to coiled. Dorsal sepal erect, 16–22 × 1.5–2 mm. Lateral sepals spreading to decurved, often crossed, 16–22 × 3–4 mm. Petals spreading to decurved, 12–15 × 1.5–2 mm. Labellum stiffly hinged, 6–8 × 7–9 mm, yellowish green to dark red with faint, red, radiating lines; margins entire; apex with a small, dark red, recurved lobe. Calli clubbed, dark purplish black, free at base, to 2.5 mm long, in dense central band. Column 7–8 × 4–6 mm, greenish with red markings.
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