Habit: epiphytic herbs

Pseudobulb: with sheath

Leaf: characteristics: 2

Leaf: shape: ovate, elliptic

Scape: emerging from center of leaves or pseudobulb base or rhizome

Sepal: lateral sepals dilated or saccate at base or bent downward

Petal: shorter or smaller than sepals, spatulate or tapelike

Column: with column foot

Pollinia: number: 8

Pollinia: other characteristics: with caudicle or viscidium