Habit: terrestrial herbs

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

Leaf: characteristics: plicate or plicate-venous, sheathing or noding at base, petiolate

Inflorescence: type: raceme

Scape: emerging from center of leaves or pseudobulb base or rhizome, with sheath, hairy

Inflorescence: other characteristics: unbranched

Sepal: free or similar, abaxially hairy

Petal: similar to sepals, broader than sepals

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

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

Pollinia: number: 8

Pollinia: shape: obovate

Pollinia: other characteristics: with caudicle or viscidium

Viscidium:shape: triangular or subtriangular