Conceveiba africana Müll. Arg. [family EUPHORBIACEAE], in Flora 47, 34: 530 (1864); in De Candolle, Prodr. 15, 2: 897 (1866). Type as above.
Neoboutonia mannii Benth. [family EUPHORBIACEAE], in Hooker’s Icon. Pl. 13: sub tt. 1298, 1299 (1879), in adnot. —Prain in F.T.A. 6, 1: 920 (1912). —Keay in F.W.T.A., ed. 2, 1, 2: 404 (1958). Type from Principe.
Neoboutonia africana Müll. Arg. Pax [family EUPHORBIACEAE], in Engler and Prantl., Pflanzenfam. 3, 5: 57 (1890); in Engler, Pflanzenr. [IV, fam. 147, vii] 63: 75 (1914). —Engler, Pflanzenw. Afrikas (Veg. Erde 9) 3, 2: 68 (1921). —Brenan, Check-list For. Trees Shrubs Tang. Terr.: 221 (1949). —Topham, Check List For. Trees Shrubs Nyasaland Prot.: 52 (1958), non Müll. Arg. Type as above.