Habit: epiphytic herbs

Stem: with leaves

Leaf: position: distichous

Leaf: shape: lanceolate, oblong

Inflorescence: type: raceme

Inflorescence: position: laterally on stem

Inflorescence: other characteristics: peduncle hairy

Sepal: free or similar

Petal: narrower than sepals or as long as dorsal sepal

Labellum: 3-lobed, adnate to column

Column: with column foot

Rostellum: 2-lobed or beaked

Pollinia: number: 2

Pollinia: shape: globose or subglobose

Pollinia: other characteristics: with caudicle or viscidium, with stipe

Stipe: shape: cuneate, triangular or subtriangular