Hetaeria Blume
Habit: terrestrial herbs
Rhizome: retrose or transverse or creeping or ascending, noded, stemlike
Stem: leafy
Leaf: characteristics: sheathing or noding at base, petiolate
Inflorescence: type: raceme
Inflorescence: position: terminal or subterminal
Sepal: free or similar, dorsal sepal connivent with petals forming a hood, lateral sepals dilated or saccate at base or bent downward
Petal: narrower than sepals or as long as dorsal sepal
Labellum: with sac or spur or auricles at base
Column: with wing or triangular-falcate or arm-shaped or subulate appendages
Anther: 2-loculed
Stigma: 2
Rostellum: 2-lobed or beaked
Pollinia: number: 2
Pollinia: other characteristics: granular-farinaceous, with caudicle or viscidium
Fruit:type: capsule
Fruit: other characteristics: erect