Epiphytic herb. Stem elongate, leafy. Leaves ligulate, obliquely obtusely bilobulate, coriaceous, up to 25.0 × 3.1 cm; sheaths imbricate. Inflorescence paniculate (up to 1000 or more flowers), up to 25 cm or more long, branches to 15 cm long, subtended by acute bracts; floral bracts less than 1/8 length of pedicel. Flowers non-resupinate, minute, sepals and petals greenish yellow spotted purple below, labellum white, column white with two purple, basal blotches. Sepals and petals free, acute. Sepals 2 mm long, petals slightly shorter. Labellum broadly attached to column foot and so not motile, obscurely trilobed, saccate, 2 mm long, vertical, with a transverse ridge at base; sac obtuse, globose, ecallose, 2 mm deep, with a ring of hairs around the entrance, with a long tuft of hairs spreading downwards on inside of transverse ridge. Column less than 1 mm high, widening on either side of rostellum, stelidia absent; pollinia four, in two unequal, semi-globular pairs, stipe ligulate, slightly widening below pollinia, length 1.5 times diameter of pollinia, viscidium ovate; rostellum ovate.