Small, caespitose, epiphytic herbs with, short, compressed, monophyllous or rarely diphyllous pseudobulbs, the lower portions enveloped in several membra-naceous or foliaceous sheaths. Leaves elliptic-lanceolate to ligular, coriaceous, contracted below into a petiole. Inflorescences 1 or 2 erect or arching racemes or panicles produced from the lateral bases of the pseudobulbs. Flowers small. Sepals subequal, spreading, free, or more or less connate. Petals subequal to the sepals or sometimes broader. Lip entire or 3-lobed, adnate to the base of the column, spreading, usually longer than the lateral sepals, the disk fleshy or callous. Column short, erect, not laterally winged but usually biauriculate below the stigma, the clinandrium truncate, the rostellum elongate, the base of the column without a foot. Anther terminal, operculate, incumbent, 1-celled, produced in front into a hooded appendage; pollinia 2, waxy.
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