Habit: epiphytic herbs

Stem: with leaves

Leaf: characteristics: sessile or subsessile, sheathing or noding at base, margin recurved or apex lobed

Inflorescence: type: raceme, panicle

Sepal: free or similar

Labellum: with sac or spur or auricles at base, 3-lobed, adnate to column

Column: without column foot

Rostellum: 2-lobed or beaked

Pollinia: number: 4

Pollinia: shape: globose or subglobose

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