Epiphytic herbs. Stems with 1–6 leaves dorsiventrally flattened or semi-terete, fleshy, broad, to 15–25 × 5 cm. Inflorescences 1–3, arching to pendent, as long as leaves or shorter, rachis clavate, not furrowed above flower nodes, 1–25-flowered. Flowers resupinate, fugacious. Sepals and petals free, spreading, narrowly oblong, to c. 1 cm long. Dorsal sepal erect, concave. Lateral sepals oblique. Labellum tubular, spurred, distally trilobed, articulated to column foot, side lobes erect, auriculate, midlobe recurved; spur bag-like. Column arcuate, with an inconspicuous foot; pollinia two, each split to the middle from the base, stipe cuneate-triangular or oblong, as long as pollinia; stigma terminal; rostellar projection triangular, bidentate.