Calyptrochilum Kraenzl.

Epiphytic, entirely glabrous monopodial herbs. Stems elongated, pendulous. Leaves fleshy, unequally bilobed at apex, alternate, twisted at base to lie in a parallel plane. Inflorescences abbreviated, lax or dense axillary racemes hidden beneath the leaves; bracts conspicuous or inconspicuous, scarious. Flowers resupinate, medium-sized. Tepals free, similar, apiculate, spreading, the petals slightly shorter. Lip 3-lobed, with a curved or geniculate spur which is inflated at the apex. Column short, with a small foot; rostellum prominent; anther apiculate; pollinia 2, globose, united to a long linear caudicle; viscidium solitary, large, triangular, grooved at the base to clasp rostellum.