Rhynchosia totta var. fenchelii Schinz [family LEGUMINOSAE], in Vierteljahrsschr. Naturf. Ges. Zürich 52: 426 (1907). Type from Namibia.
Rhynchosia filicaulis Welw. ex Baker [family LEGUMINOSAE], in F.T.A. 2: 221 (1871). —E.G. Baker, Legum. Trop. Africa: 484 (1929). Type from Angola.
Rhynchosia hirsuta Schinz [family LEGUMINOSAE], in Verh. Bot. Vereins Prov. Brandenburg 30: 168 (1888). —E.G. Baker, Legum. Trop. Africa: 483 (1929), non. Eckl. & Zeyh., nom. illegit. Type from Namibia.
Dolicholus venulosus Hiern [family LEGUMINOSAE], Cat. Afr. Pl. Welw. 1: 271 (1896). Type from Angola.
Rhynchosia venulosa Hiern K. Schum. [family LEGUMINOSAE], in Just’s Bot. Jahresber. 27: 496 (1901). —E.G. Baker, Legum. Trop. Africa: 483 (1929). —Schreiber in Merxmüller, Prodr. Fl. SW. Afrika, fam. 60: 101 (1970). —Jacobsen in Kirkia 9: 161 (1973).
Rhynchosia cinnamomea Schinz [family LEGUMINOSAE], in Vierteljahrsschr. Naturf. Ges. Zürich 52: 429 (1907). Type from South Africa.
Rhynchosia remota Conrath [family LEGUMINOSAE], in Bull. Misc. Inform., Kew 1908: 224 (1908). Type from South Africa.
Rhynchosia mollis Burtt Davy [family LEGUMINOSAE], Fl. Pl. Ferns Transvaal, part 2: xxix, 411 (1932), non DC. nom. illegit. Type from South Africa.
Rhynchosia totta var. venulosa Hiern Verdc. [family LEGUMINOSAE], in Kew Bull. 25: 99 (1971); in F.T.E.A., Leguminosae, Pap.: 748 (1971). —Drummond in Kirkia 8: 226 (1972). —Gonçalves in Garcia de Orta, Sér. Bot. 5: 109 (1982).