Plants 20–43 cm. Roots fibrous, white, stout. Pseudobulbs dark green, ovoid to orbicular, 2–5 × 1–3 cm, often concealed by imbricate fibrous sheaths or 1 closely appressed sheath, 1-leaved at apex. Leaves: blade nearly erect, olive green with dark green mottling, oblong-elliptic, abaxially keeled, 12–32 × 3.5–5.5 cm, succulent leathery, apex acute. Inflorescences lax, 10–42 cm; peduncles erect, slender, with few remote sheaths. Flowers 5–15, 9–15 mm wide; sepals and petals light brown to pinkish green; sepals 8–12 × 2–3 mm; dorsal sepal linear-oblong, apex acute; lateral sepals slightly falcate; petals oblong-elliptic, 12 × 4 mm, apex acute; lip white with 2 parallel pink blotches, 9–14 × 8–12 mm, lateral lobes erect, white with thin, radiating purple lines, orbiculate, spur curved, 5 × 2 mm; column curved, white, 5–7 mm. Capsules pendent, elliptic-oblong, to 3.5 cm.
