Habit: terrestrial herbs

Pseudobulb: ovoid or elliptic or spindle-shaped or ovate or conical

Leaf: characteristics: sessile or subsessile, sheathing or noding at base

Leaf: shape: lorate

Inflorescence: type: raceme

Floral bract: scalelike

Scape: arising laterally on pseudobulb or base of short stem or nodes of rhizome, emerging from center of leaves or pseudobulb base or rhizome, with sheath, hairy

Sepal: free or similar

Labellum: 3-lobed, 2-lobed, with longitudinal ridges or keels, adnate to column, not lobed

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

Pollinia: number: 8

Pollinia: other characteristics: with caudicle or viscidium