Habit: terrestrial herbs

Rhizome: with fleshy roots

Leaf: characteristics: 1, base clasping

Leaf: shape: lanceolate, elliptic, oblong

Inflorescence: position: terminal or subterminal

Floral bract: leaflike

Flower: other characteristics: solitary

Sepal: free or similar

Petal: shorter or smaller than sepals, broader than sepals

Labellum: 3-lobed, not lobed

Column: without column foot

Pollinia: number: 2

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