Habit: terrestrial herbs

Rhizome: retrose or transverse or creeping or ascending, with fleshy roots

Pseudobulb: noded, with leaves, with sheath

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

Leaf: shape: ovate, lanceolate

Flower: other characteristics: solitary

Sepal: free or similar

Petal: similar to sepals, free, broader than sepals

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

Pollinia: number: 8