Herbs, epiphytic or lithophytic. Rhizome creeping. Pseudobulbs conic to globose, subtended by fibrous sheaths. Leaves 1-3, arising from apex of pseudobulb, suberect, plicate, lanceolate to elliptic-ovate, tapering below to a conduplicate petiole, base subtended by an acute sheath. Inflorescence basal, erect, longer than leaves, racemose, laxly flowered; peduncle and rachis terete, pubescent; floral bracts persistent, ciliate. Flowers erect; ovary pubescent with brown ramenta. Dorsal sepal free, hooded over column; lateral sepals reflexed, basally connate, forming a mentum with column foot. Petals reflexed, free, linear-spatulate; lip movable, simple, ligulate, recurved toward apex. Column ca. 1/2 as long as dorsal sepal, shallowly winged on each side, with a prominent foot hooked apically to form a shallow sac; anther 8-locular; pollinia 8, in 2 groups of 4, attached to a small amorphous viscidium; stigma transversely reniform; rostellum a shallowly bilobed flap.
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