Epiphytic herbs. Stems only a few centimetres long. Leaves few, fleshy, up to 7 × 1 cm, jointed and sheathing at base. Inflorescence lateral, simple, with up to about 20 flowers; rachis usually clavate. Flowers ephemeral, only a few open at a time, greenish yellow, superficially resembling Bulbophyllum. Sepals and petals similar, often linear and acuminate, to 4–6 × 3 mm; lateral sepals adnate to column foot. Labellum motile, trilobed, without a spur, sometimes saccate, lateral lobes auriculate, margins fimbriate, midlobe conical. Column with a foot 3 mm long, rostellar projection present; pollinia two, entire (although some specimens have a tiny notch), stipe ligulate, about twice the diameter of pollinia, viscidium obovate.