Tribe Gastrodieae Lindl.. Coll. Bot. App. 1826.
Saprophytes with or without a velamen. Inflorescence terminal. Seeds of Gastrodia type.
Column foot prominent to reduced. Clinandrium forming a collar-like structure at the back and sides of the anther, sometimes with long, sickle-like apical projections.
Rostellum shelf-like or ligulate, truncate or obtuse, erect to bent towards the stigmatic surface. Viscidium often present. Anther erect to incumbent, movable or deciduous. Endothecial thickening of type IV.
Pollinia sectile, attenuate towards the apex.
Bibliography and References:
Ackerman JD, Williams NH. 1980 Pollen morphology of the tribe Neottieae and its impact on the classification of the Orchidaceae. Grana. 19. 7-18.