Stems reddish to yellowish, to 20 cm. Inflorescences: racemes lax. Flowers 2–20, cleistogamous, inconspicuous; sepals and petals reddish to yellow, 3-veined; dorsal sepal lanceolate, 5.9–6.1 × 2.1–2.5 mm; lateral sepals lanceolate, somewhat falcate, strongly boat-shaped, 5.5–6.1 × 2.1–2.5 mm; petals narrowly ovate, weakly boat-shaped, 5–5.8 × 2.2–3 mm, apex acute; lip unlobed, ovate, 4.9–5.7 mm, margins involute, thickened, prominent, apex acute; callus formed from 2 connate lamellae at base of lip, ± 1.2 as long as lip, 2.5–2.8 × 1.5–1.8 mm; column curved forward, 3–3.8 × 0.8–1 mm, with small depression adaxially at base; pedicellate ovary narrowly obovoid, 6–9 × 2.5–3 mm; mentum absent. Capsules obovoid-ellipsoid.
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