= Apocynum floristratum Noronha; Verh. Batav. Gen. 5: ed. I. Art. IV. 5 (1790)
= Echites caudatus L.; Mant. Pl. 1: 52 (1767)
= Nerium caudatum (L.) Lam.; Encycl. 3: 458 (1792)
= Nerium scandens Lour.; Fl. Cochinch.: 116 (1790)
= Strophanthus caudatus var. billardierei Franch.; Nouv. Arch. Mus. Hist. Nat., III 5: 265 (1893)
= Strophanthus caudatus var. giganteus Pit.; Lecomte, Fl. Indochine 3: 1200 (1933)
= Strophanthus caudatus var. javensis Franch.; Nouv. Arch. Mus. Hist. Nat., III 5: 264 (1893)
= Strophanthus caudatus var. lanceolatus Franch.; Nouv. Arch. Mus. Hist. Nat., III 5: 266 (1893)
= Strophanthus caudatus var. macrophyllus Franch.; Nouv. Arch. Mus. Hist. Nat., III 5: 264 (1893)
= Strophanthus cumingii A.DC.; Prodr. [A. DC.] 8: 418 (1844)
= Strophanthus dichotomus DC.; Bull. Soc. Philom. 3: 123 (1802)
= Strophanthus dichotomus var. cochinchinensis Ker Gawl.; Bot. Reg. 6: t. 469 (1820)
= Strophanthus dichotomus var. loureiroi A.DC.; Prodr. [A. DC.] 8: 417 (1844)
= Strophanthus dichotomus var. luzoniensis S.Vidal; Sin. Gen. Pl. Leños. Filip.: 1181 (1883)
= Strophanthus dichotomus var. marckii A.DC.; Prodr. [A. DC.] 8: 417 (1844)
= Strophanthus erectus Merr.; Philipp. J. Sci., C 3: 261 (1908)
= Strophanthus giganteus Pierre; Bull. Soc. Bot. France 52: 491 (1905), nom. superfl.
= Strophanthus griffithii Wight; Icon. Pl. Ind. Orient. 4: t. 1300 (1848)
= Strophanthus horsfieldianus Miq.; Fl. Ned. Ind. 2: 442 (1857)
= Strophanthus letei Merr.; Philipp. J. Sci. 29: 484 (1926)
= Strophanthus longicaudatus Wight; Icon. Pl. Ind. Orient. 4: t. 1299 (1848)
= Strophanthus macrophyllus (Franch.) Pierre; Bull. Soc. Bot. France 52: 491 (1905)
= Strophanthus pierrei F.Heim; Bull. Mens. Soc. Linn. Paris 2: 1151 (1894)
= Strophanthus scandens Reinw. & Schult.; Syst. Veg. 4: 412 (1819)
= Strophanthus terminalis Blume; Catalogus: 56 (1823)