Habit: epiphytic herbs

Pseudobulb: with sheath

Leaf: characteristics: 2, petiolate

Leaf: shape: elliptic

Inflorescence: type: raceme

Floral bract: erect or spreading

Scape: glabrous

Sepal: with petals connate into a tube

Petal: free

Labellum: adnate to column, not lobed

Column: with column foot

Pollinia: number: 8

Pollinia: other characteristics: with caudicle or viscidium, without caudicle