Habit: terrestrial herbs

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

Leaf: position: alternate

Leaf: shape: lanceolate, oblong

Inflorescence: type: raceme

Inflorescence: position: terminal or subterminal

Inflorescence: other characteristics: rachis pubescent or zigzagged flexuose or winged

Sepal: free or similar

Petal: similar to sepals, free, narrower than sepals or as long as dorsal sepal

Labellum: 3-lobed

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

Anther: 2-loculed, hatlike

Stigma: 1

Pollinia: number: 8

Pollinia: other characteristics: granular-farinaceous, neither caudicle nor viscidium

Fruit:type: capsule

Fruit:shape: oblong-fusiform

Fruit: other characteristics: erect