Habit: terrestrial herbs, semi-epiphytic herbs, epiphytic herbs

Pseudobulb: ovoid or elliptic or spindle-shaped or ovate or conical

Leaf: characteristics: 1, 2, plicate or plicate-venous, petiolate

Scape: emerging from center of leaves or pseudobulb base or rhizome

Sepal: free or similar

Petal: narrower than sepals or as long as dorsal sepal

Labellum: 3-lobed, adnate to column, not lobed

Column: with wing or triangular-falcate or arm-shaped or subulate appendages

Pollinia: number: 4

Pollinia: shape: obovate

Fruit:type: capsule

Fruit:shape: oblong-fusiform

Fruit: other characteristics: longitudinally 3-ribbed