Epiphytic herbs. Roots terete, unbranched, glabrous, smooth. Stem patent to erect, rooting at the base. Leaves conduplicate, articulate, distichous, linear to subterete, coriaceous; apex bilobed. Inflorescence lateral, racemose or paniculate, erect or pendent, many-flowered; rachis continuing the line of the peduncle, straight, glabrous. Flowers resupinate, about 0.5 cm wide, many opening simultaneously, quaquaversal, greenish or pinkish with pink to purple labellum. Sepals entire, free, obtuse. Petals shorter than sepals. Labellum rigidly attached, with two short spurs at base, entire, ligulate, longer than sepals; spurs conical, at right angles to ovary, without callosities inside. Column without column foot, with a transverse papillose lamella at base; pollinia four, compressed in two unequal pairs, stipe obspatulate, longer than pollinia, viscidium large; rostellar projection not elongate. Capsule obovoid.