Species of this Genus

Epiphytic or terrestrial herbs. Stems covered with leaf-sheath, with leaves on upper half. Leaves linear, lanceolate or narrowly elliptic, leathery, without a distinct petiole. Inflorescences synanthous, axillary racemose, laxly to densely many flowered; floral bracts often large. Flowers widely opening or not, small to medium-sized. Sepals densely to sparsely pubescent; dorsal sepal narrowly triangular or elliptic; lateral sepals triangular, attached to column foot. Petals similar in size and color to dorsal sepal; lip 3-lobed. Anther cap easily detached; pollinia 8, clavate.