Oldenlandia leclercii A. Chev. [family RUBIACEAE], in Bull. Mus. Hist. Nat. Paris, sér. 2, 5: 162 (1933). —Lebrun in Mitt. Bot. Staatss. München 10: 444 (1971) pro synon. Type from Mali.
Kohautia aspera Heyne ex Roth Bremek. [family RUBIACEAE], in Verh. K. Nederl. Akad. Wet., Afd. Natuurk., ser. 2, 48(2): 113 (1952). —Hepper, F.W.T.A., ed. 2, 2: 210 (1963). —Launert & Roessler in Merxm. Prodr. Fl. SW. Afr. 115: 16 (1966). —Lebrun in Mitt. Bot. Staatss. München 10: 444, Fig. 5 (1971). —Agnew, Upland Kenya Wild Flowers: 389 (1974). —Verdc. in F.T.E.A., Rubiaceae 1: 241 (1976). TAB.20, fig. I. Type from India.
Hedyotis aspera Heyne ex Roth [family RUBIACEAE], Nov. Pl. Sp.: 94 (1821). —Wight & Arn., Prodr. 1: 417 (1834). —Dalz. & Gibs., Bombay Fl.: 115 (1861). Type as for K. aspera.
Oldenlandia aspera Heyne ex Roth DC. [family RUBIACEAE], Prodr. 4: 428 (1830). —Hook. f., Fl. Brit. Ind. 3: 68 (1882) pro parte. —E.H.C. Krause in Engl., Bot. Jahrb. 14: 413 (1892). —Woodrow in Journ. Bomb. Nat. Hist. Soc. 11: 644 (1898) pro parte. —T. Cooke, Fl. Bombay 1: 591 (1903) pro parte. —Duthie, Fl. Gangetic Plain: 415 (1905) pro parte. —A. Chev. in Rev. Bot. Appl. 15: 892 (1935). Type as for K. aspera.
Hedyotis strumosa Hochst. ex A. Rich. [family RUBIACEAE], Tent. Fl. Abyss. 1: 364 (1847). —Walp., Ann. Bot. Syst. 2: 77 (1851). Type from the Sudan.
Oldenlandia strumosa Hochst. ex A. Rich. Hiern [family RUBIACEAE], F.T.A. 3: 58 (1877). —K. Schum. in Engl., Pflanzenw. Ost-Afr. C: 376 (1895). —Broun & Massey, Fl. Sudan: 258 (1929). —F.W. Andr., Fl. Pl. Anglo-Egypt. Sudan 2: 452, fig. 164 (1952). Type as for H. strumosa.
Oldenlandia rhodesiana S. Moore [family RUBIACEAE], in Journ. Bot. 40: 250 (1902). Type: Zimbabwe, Harare, fl. & fr. xii.1897, Rand 122 (BM holotype).
Oldenlandia cyanea Dinter [family RUBIACEAE], in Fedde, Repert. 19: 318 (1924). Type from Namibia.