Stems erect, 0.5–1.5 m tall. Leaves 6–15 per stem, spreading, 200–300 × 70–100 mm, dark green, thin-textured, prominently pleated, margins wavy. Flower stems short, branched, 20–60-flowered. Flowers short-lived, crowded, 20–25 mm across, sepals green, petals and labellum white, fragrant. Dorsal sepal 25–30 × 2–3 mm. Lateral sepals 20–25 × 2–3 mm, falcate, spreading or incurved. Petals 25–30 × 3–4 mm, curled, wavy or crisped. Labellum 20–25 × 8–12 mm; base narrow, tubular; apical part expanded, heart-shaped, margins crinkled.