Martretia is a genus of plants in the family Phyllanthaceae first described as a genus in 1907.Beille, Lucien. 1907. Comptes Rendus Hebdomadaires des Séances de l'Académie des Sciences 145: 1294 in FrenchTropicos, Martretia Beille It contains only one known species, Martretia quadricornis, native to western and central Africa from Sierra Leone to Zaire.Kew World Checklist of Selected Plant Families It is dioecious, with male and female flowers on separate plants.
References