Habit: terrestrial herbs

Pseudobulb: with roots, corm-shaped or subtuberous or tubular

Leaf: characteristics: 1, 2, petiolate

Leaf: shape: elliptic

Inflorescence: type: raceme

Scape: on pseudobulb apex

Sepal: free or similar

Petal: free

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

Column: without column foot

Pollinia: number: 4

Pollinia: other characteristics: with caudicle or viscidium