Leaves distichous, linear or ligulate, articulated at the base to persistent leaf sheaths, these sheaths bearing a hair-like ligule at the apex opposite the leaf.
Pollinia 2, ovoid; stipes 1, ligulate or Y-shaped; viscidium 1, large, rectangular, almost as long as stipes.
Epiphytic, monopodial herbs with long, slender, leafy stems.
Inflorescences axillary, short, few-flowered.
Lip entire, ovate, escallose, spurred.
Rostellum deflexed, triangular, bifid.
Sepals and petals free, subsimilar.
Column short, fleshy.
Flowers small, white.