Saprophytic plants with coral-like branched or tuberous rhizome, without roots. Stem leafless, fleshy, pale yellow-brown, with few close-fitting sheaths. Inflorescence ± straight or initially nodding. Flowers resupinate or not. Sepals and petals subequal. Labellum entire or 3-lobed (divided in hypochile and epichile), spurred, above with papillose longitudinal ridges. Column fleshy, stout; anther large, sessile, ± incumbent; pollinia 2, granular, with caudicles separately attached to heart-shaped viscidium; rostellum cuneate; stigma near base of column. Ovary ovoid, pedicellate, glabrous.