Overview
Epiphytes +/- pseudobulbs, forming fan-shaped plants. Leaves several, alternate, distichous, oblanceolate, petiolate. Inflorescences axillary scapes, erect to laxly arching. Flowers fleshy. Sepals and petals free, spreading, subsimilar, subequal. Lip unlobed or obscurely three-lobed usually by lateral extension of the callus, clawed, the callus transverse, divided into numerous teeth or keels. Column stout, with a foot and conspicuous wings at the middle or below the apex; pollinia 4, sessile on a broad common viscidium.