Herbs, terrestrial, sympodial. Roots fasciculate, fleshy, densely villous. Stems erect, rhizomatous. Leaves 1–2, basal; blade not articulate, long-petiolate. Inflorescences terminal, few-to many-flowered racemes, erect; peduncle slender, bracteate. Flowers resupinate; sepals spreading, distinct; lateral sepals longer than dorsal, attached along column foot forming spur; petals appressed to dorsal sepal, basally decurrent on column; lip arcuately recurved, clawed, shorter than sepals, membranous; column erect, short, slender; column foot partially adnate to ovary, elongate; anther persistent; pollinia 2, clavate, mealy; stigmas distinct; rostellum subulate to linear, pointed, rigid; viscidium oblong. Fruits capsules, ellipsoid-cyclindric.