Rosette leaves 3–5, ovate, 15–25 × 10–15 mm, dark green, margins entire. Flower stem 100–20 tall, with 3–5 stem leaves to 40 × 5 mm. Flower erect, 18–21 × 7–9 mm, translucent white and green, sometimes with dark brown or reddish markings. Dorsal sepal tapered to a short, shallowly decurved point. Sinus bulging like a platform in side view, margins infolded, often but not always with a brown collar-like band, flat in front view. Free points filiform, 15–20 mm long, erect. Labellum curved, tip just protruding above sinus when set, 8.5–10.5 × 2.5 mm, blackish, blunt.