= Apocynum floristratum Noronha; Verh. Batav. Genootsch. Kunst. 5, Art. 4: 5 (1790)
= Echites caudatus L.; Mant. Pl. 1: 52 (1767)
= Nerium caudatum (L.) Lam.; Encycl. [J.Lamarck et al.] 3: 458 (1792)
= Nerium scandens Lour.; Fl. Cochinch. 116 (1790)
= Strophanthus caudatus var. billardierei Franch.; Nouv. Arch. Mus. Hist. Nat., Sér. 3, 5: 265 (1893)
= Strophanthus caudatus var. giganteus Pit.; Fl. Indo-Chine [P.H.Lecomte et al.] 3: 1200 (1933)
= Strophanthus caudatus var. javensis Franch.; Nouv. Arch. Mus. Hist. Nat., Sér. 3, 5: 264 (1893)
= Strophanthus caudatus var. lanceolatus Franch.; Nouv. Arch. Mus. Hist. Nat., Sér. 3, 5: 266 (1893)
= Strophanthus caudatus var. macrophyllus Franch.; Nouv. Arch. Mus. Hist. Nat., Sér. 3, 5: 264 (1893)
= Strophanthus cumingii A.DC.; Prodr. [A.P. de Candolle] 8: 418 (1844)
= Strophanthus dichotomus DC.; Bull. Sci. Soc. Philom. Paris 3: 123 (1802)
= Strophanthus dichotomus var. cochinchinensis Ker Gawl.; Bot. Reg. 6: t. 469 (1820)
= Strophanthus dichotomus var. loureiroi A.DC.; Prodr. [A.P. de Candolle] 8: 417 (1844)
= Strophanthus dichotomus var. luzoniensis S.Vidal; Sin. Gen. Pl. Leños Filip. 1181 (1884)
= Strophanthus dichotomus var. marckii A.DC.; Prodr. [A.P. de Candolle] 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. [Wight] 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. [Wight] 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., ed. 15bis [Roemer & Schultes] 4: 412 (1819)
= Strophanthus terminalis Blume; Cat. Gew. Buitenzorg [Blume] 56 (1823)