Trichodesma ambacense Welw. [family BORAGINACEAE], in Ann. Cons. Ultramar, 1 [Apont. Phyto-Geogr.]: 589 (1859), as “ambacensis”. —Brummitt in Kew Bull. 37: 442 (1982). Type from Angola.
Boraginella ambacensis Welw. Kuntze [family BORAGINACEAE], Rev. Gen. Pl. 1: 435 (1891). Type as above.
Trichodesma dekindtianum Gürke [family BORAGINACEAE], in Engl., Bot. Jahrb. 32: 142 (1902); in Warburg, Kunene-Sambesi-Exped. Baum: 348 (1903). —Baker & Wright in Thiselton-Dyer, F.T.A. 4, 2: 50 (1905). —Brand in Engl., Pflanzenr., 78, [IV, 252]: 24 (1921). Type from Angola.
Trichodesma welwitschii Brand [family BORAGINACEAE], in Fedde, Repert. Sp. Nov. Regni Veg. 12: 505 (1913); in Engl., Pflanzenr., 78, [IV, 252]: 26 (1921). Type from Angola.
Trichodesma angolense Brand [family BORAGINACEAE], in Engl., Pflanzenr., 78. [IV, 252]: 26 (1921) nom. illegit. —Taton in Fl. Congo, Rwanda et Burundi, Boraginaceae: 44 (1971). Type as for T. ambacense.