Habit: terrestrial herbs, saprophytic herbs

Leaf: characteristics: 1, 2

Inflorescence: type: raceme

Floral bract: pubescent or ciliate or notched at margin

Scape: with sheath

Flower: other characteristics: pendulous

Sepal: free or similar, lateral sepals adnate to column foot or labellum forming a mentum, lateral sepals spreading or oblique or reflexed or connivent

Petal: narrower than sepals or as long as dorsal sepal

Labellum: 3-lobed, adnate to column

Column: with column foot, without column foot

Pollinia: number: 8

Pollinia: shape: obovate

Pollinia: other characteristics: neither caudicle nor viscidium