Habit: epiphytic herbs

Stem: with pseudobulb

Pseudobulb: with roots, noded, ovoid or elliptic or spindle-shaped or ovate or conical, with leaves

Inflorescence: type: raceme, panicle

Floral bract: small

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

Column: with wing or triangular-falcate or arm-shaped or subulate appendages, with column foot, without column foot

Pollinia: number: 2

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