PENTODON pentandrus var. pentandrus [family RUBIACEAE], ; Bremek. in Verh. K. Nederl. Akad. Wet., Afd. Natuurk., ser. 2, 48(2): 177 (1952)
Hedyotis pentandra Schumach. & Thonn. [family RUBIACEAE], in K. Danske Vid. Selsk. Nat. Math. Afh. 3: 71 (1827)
Oldenlandia pentandra (Schumach. & Thonn.) DC. [family RUBIACEAE], Prodr. 4: 427 (1830), non Retz.
Oldenlandia macrophylla DC. [family RUBIACEAE], Prodr. 4: 427 (1830); Hiern in F.T.A. 3: 63 (1877). Type: Gambia, Albreda, Leprieur & Perrottet (G-DC, holo.)
Pentodon abyssinicus Hochst. [family RUBIACEAE], in Flora 27: 552 (1844). Type: Ethiopia, Schimper (?TUB, holo.)