Habit: terrestrial herbs

Stem: noded, with pseudobulb

Pseudobulb: corm-shaped or subtuberous or tubular

Leaf: characteristics: petiolate

Leaf: position: basal

Inflorescence: type: raceme

Scape: arising laterally on pseudobulb or base of short stem or nodes of rhizome

Sepal: free or similar

Petal: similar to sepals, free, broader than sepals

Labellum: with sac or spur or auricles at base, 3-lobed, not lobed

Column: with column foot

Anther: 2-loculed

Pollinia: number: 2

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