Neoboutonia is a plant genus of the family Euphorbiaceae first described as a genus in 1864. It is the only genus in subtribe Neoboutoniinae, and native to tropical Africa. It is dioecious. Species Neoboutonia macrocalyx Pax - Burundi, Cameroon, Rwanda, Zaire, Kenya, Tanzania, Uganda, Malawi, Zambia, Zimbabwe Neoboutonia mannii Benth. & Hook.f. - tropical Africa from Liberia to Mozambique Neoboutonia melleri (Müll.Arg.) Prain - tropical Africa from Nigeria to Mozambique References Aleuritideae Euphorbiaceae genera Flora of Africa Dioecious plants