Phyllocosmus lemaireanus De Wild. & Dur. T. & H. Dur. [family IXONANTHACEAE], Syll. Fl. Cong.: 76 (1909). Type as for Ochthocosmus lemaireanus.
Ochthocosmus candidus Engl. & Gilg Hall. f [family IXONANTHACEAE], ,loc. cit. — Burtt Davy & Hoyle,N.C.L.; 48 (1936). — Exell & Mendonça,C.F.A. 1,2: 247 (1951). — White,F.F.N.R.: 167 (1962). Type as for Phyllocosmus candidus.
Phyllocosmus candidus Engl. & Gilg [family IXONANTHACEAE], in Warb., Kunene-Samb.-Exped. Baum: 237 (1903). — R.E.Fries, Schwed. Rhod.-Kongo-Exped. 1: 109 (1914) — White, loc. cit. Type from Angola (Bié).
Phyllocosmus senensis Klotzsch ex Engl. [family IXONANTHACEAE], Bot. Jahrb. 32: 110 (1902) pro parte quoad specim. ex Senna. Type: Mozambique, Sena, 1846, Peters (B†).
Phyllocosmus senensis forma latifolia Engl. [family IXONANTHACEAE], loc. cit. Type from Tanganyika (S. Highlands).
Ochthocosmus lemaireanus De Wild. & Dur. [family IXONANTHACEAE], in Bull. Soc. Roy. Bot. Belg. 40: 16 (1901). — Hall. f. in Beih. Bot. Centralbl. 39, 2: 19 (1921). — De Wild., Pl. Bequaert. 4: 243 (1927). — Wilczek, F.C.B. 7: 33 (1958). — White, F.F.N.R.: 167 (1962). TAB. 11. Type from Katanga.
Ochthocosmus lemaireanus var. candidus Engl. & Gilg Wilczek [family IXONANTHACEAE], in F.C.B. 7: 32 (1958). Type as for Phyllocosmus candidus.
Ochthocosmus glaber Wilczek [family IXONANTHACEAE], in Bull. Jard.Bot.Brux.25: 308 (1955); in F.C.B.7: 32 (1958). Type from Katanga.
Ochthocosmus senensis Klotzsch ex Engl. Hall. f. [family IXONANTHACEAE], loc. cit. — Brenan, T.T.C.L.: 266 (1949). Type as for Phyllocosmus senensis.
Ochthocosmus gillettae Hutch. [family IXONANTHACEAE], in Kew Bull. 1931: 249 (1931); Botanist in S. Afr.: 512 (1949). Type: N. Rhodesia, 11 km. NW. of Abercorn, Hutchinson & Gillett 3910 (BM; K, holotype).
Ochthocosmus senensis forma latifolia Engl. F. B. Hora [family IXONANTHACEAE], T.T.C.L. 1: 134 (1940). — Brenan, T.T.C.L. 2: 267 (1949). Type as for Phyllocosmus senensis forma latifolia.