Overview
Robust monopodial epiphytes. Stems rarely branched, rooting at the base. Leaves alternate, distichous, strap-shaped, succulent-leathery. Inflorescences axillary, horizontal to pendent racemes, the floral bracts minute. Flowers showy, erect, not resupinate, in two ranks. Sepals and petals free, spreading, subsimilar. Lip unlobed, with an extremely elongate, twisted spur. Column large, culindric, erect, the anther with a beak-like projection; pollinia 2, each on a separate stipe connected to a common viscidium.