Stem: sheathing above middle

Leaf: characteristics: 1, 2

Leaf: position: in two rows

Inflorescence: type: raceme, spikelike

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: not lobed

Column: without column foot

Rostellum: 2-lobed or beaked

Pollinia: number: 8

Pollinia: other characteristics: with caudicle or viscidium

Fruit:type: capsule