Overview
Caespitose epiphytes, lithophytes and terrestrials. Pseudobulbs ovoid-ellipsoid, subtended by non-foliaceous bracts. Leaves 3--5, linear, forming an elongate neck at the base. Inflorescences basal pedunculate loosely or densely-flowered racemes, the peduncle enveloped with conspicuous bracts, the floral bracts linear, often longer than the ovary and flower. Flowers cupped. Sepals and petals free, subsimilar. Lip unlobed, +/- spurred, without callus. Column erect, with a foot, without wings; pollinia 8, in two pairs of four each, on a minute common viscidium.