Historically recognized Rubiaceae genera

redirect Eumachia (plant)

redirect Discospermum

Psyllocarpus is a genus of flowering plants belonging to the family Rubiaceae. It is an endemic genus of Brazil found in Amazonia, Caatinga, and Cerrado. In 1979 the genus was revised by Kirkbride into two sections, Psyllocarpus sect. Psyllocarpus and P. sect Amazonica, based on geographic distribution and morphology. Plants of the World Online treats the genus as a synonym of Tapanhuacanga.

redirect Leptactina

redirect Psychotria

redirect Hexasepalum

redirect Psychotria

REDIRECT Schmidtottia

Allenanthus was a genus of flowering plants in the family Rubiaceae but is no longer recognized. It has been sunk into synonymy with Machaonia.