Epiphytic or lithophytic herbs, forming large clumps.Stems woody, usually erect, 20–30(40) cm long, leafy towards the apex, the lower part covered with old leaf bases.Roots 3–4 mm in diameter.Leaves 6–16, distichous, held at an angle of c. 45° to the main stem, 4–11 × 1–1.3 cm, ligulate, slightly folded, obtusely 2-lobed at apex, thick and coriaceous, dark green.Inflorescences single-flowered; flowers c. 5 cm in diameter, glistening white, turning apricot-coloured as they fade, with a strong, sweet, violet-like scent.Pedicel and ovary c. 4 cm long, often S-shaped.Sepals 13–22 × 3–4 mm, lanceolate; dorsal sepal erect or recurved; lateral sepals deflexed.Petals 12–20 × 2–3 mm, narrowly lanceolate.Lip 16–25 × 5–7 mm, rhombic from a narrow base, somewhat folded, carinate towards the base; spur 2–3 cm long, filiform, bent at the base.Column 2 mm long with 2 stelidia 1 mm long.
