Gonatogyne is a genus of plants in the family Phyllanthaceae first described as a genus in 1873. It contains only one known species, Gonatogyne brasiliensis, endemic to southeastern Brazil. It is dioecious, with male and female flowers on separate plants. References Phyllanthaceae Monotypic Malpighiales genera Phyllanthaceae genera Endemic flora of Brazil Taxa named by Johannes Müller Argoviensis Taxa named by Henri Ernest Baillon Dioecious plants