Overview
Caespitose epiphytes or infrequently terrestrials or lithophytes. Roots dimorphic, with one type erect and stiffly bristly. Pseudobulbs cylindric, ridged, leafy at the apex. Leaves plicate, oblong. Inflorescences subterminal pedunculate racemes, the floral bracts inconspicuous. Sepals and petals free, spreading, subsimilar, subequal. Lip three-lobed, with longitudinal keels. Column slightly arching, club-shaped, with wings or a foot; pollinia 2, notched, on a short common stipe and anchor-shaped viscidium.