Overview
Caespitose epiphytes with fleshy roots. Pseudobulbs spindle-shaped, concealed by papery bracts and persistent leaf sheaths. Leaves several per pseudobulbs, alternate, distichous, thin-textured. Inflorescences basal, arching to erect pedunculate racemes, the floral bracts lanceolate, shorter than to subequal the ovaries. Flowers extremely fleshy-rigid, strongly fragrant, waxy, white, yellow, or greenish-white. Sepals and petals free, spreading, subsimilar, subequal. Lip unlobed, rigidly fused to the column base, ovate to suborbicular, with a central saccate cavity flanked by callus ridges. Column extremely fleshy and short; pollinia 2, flattened, on a common linear-oblong stipe and transverse viscidium.