Overview
Scrambling terrestrials and lithophytes with elongate rhizome segments, forming congested mats of vegetation. Pseudobulbs ellipsoid, subtended by large foliaceous bracts. Leaves one, reduced to a small wisp. Inflorescences axillary, long-pedunculate racemes. Flowers produced in succession over long periods of time, insect-like. Sepals and petals free, spreading, subsimilar, subequal. Lip three-lobed, sessile, usually covered with trichomes. Column short, covered with trichomes; pollinia 4, on an elongate, spatulate common stipe and minute viscidium.