Leaf 100–300 × 3–6 mm, fleshy. Light green or dark green, base purplish. Flower stem 150–500 × 1–1.5 mm, green to purplish, 1–5-flowered. Sterile bracts usually 2. Flowers 15–20 mm across, usually pale blue, occasionally pink or white. Sepals and petals 6–10 × 3–5 mm, concave. Column 4–5 × 2–2.5 mm, white, pale blue or pale pink; post-anther lobe 1.8–2.5 × 1–1.5 mm, hooding column, brown or reddish brown with yellow apex, gently curved, tubular, not inflated, apex entire or notched; column arms converging, 0.5–1 mm long, bent up near middle; hair-tufts mop-like, white, hairs 0.5–1 mm long.
An orchid. It grows 40-50 cm tall. It has a single furrowed leaf. This sheaths the base of the stem. The flower stems are slender and 20 cm long. The flowers are in a spike. The flowers are pink or blue and have 5 petals. The tubers are 3 cm long and 1 cm wide.