Habit: terrestrial herbs

Pseudobulb: with leaves, with internode

Leaf: characteristics: 1, sessile or subsessile, sheathing or noding at base

Leaf: shape: ovate, lanceolate, cordate

Inflorescence: type: raceme

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

Sepal: free or similar

Petal: narrower than sepals or as long as dorsal sepal

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

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

Operculum: with appendage

Pollinia: number: 8