Epiphytic herbs. Roots from basal part of stem, shortly papillosehairy. Stem elongate, leafy. Leaves distichous, ascending, angular- terete, tapering, acute, with a sheathing base; leaf-sheaths transversely wrinkled. Inflorescence axillary, opposite each leaf, one-flowered. Flower not opening widely. Sepals free, cucullate, obovate-elliptic. Petals narrowly elliptic, acute, porrect. Labellum adnate to base of column, fleshy, trilobed, side lobes erect, acute in front, midlobe porrect, ovate, calli two, near base of midlobe; spur pendent, cylindrical, slightly bidentate at tip, as long as labellum. Column fleshy, terete, lacking a column foot; anther obovoid, pollinia two, globose, each slightly cleft, stipe spatulate, viscidium elliptic. Ovary and pedicel shorter than sepals and petals, terete.