= Alstonia longifolia (A.DC.) Pichon; Bull. Mus. Natl. Hist. Nat., Sér. 2, 19: 297 (1947)
= Alstonia macrantha (Woodson) A.H.Gentry; Ann. Missouri Bot. Gard. 70(1): 206 (1983)
= Carissa verticillata Sessé & Moc.; Pl. Nov. Hisp. 29 (1888)
= Rauvolfia longifolia A.DC.; Prodr. [A.P. de Candolle] 8: 338 (1844)
= Tonduzia longifolia (A.DC.) Woodson; N. Amer. Fl. 29: 122 (1938)
= Tonduzia macrantha Woodson; Ann. Missouri Bot. Gard. 24: 12 (1937)
= Tonduzia stenophylla (Donn.Sm.) Pittier; Contr. U.S. Natl. Herb. 12: 104 (1908)
= Alstonia pittieri (Donn.Sm.) A.H.Gentry; Ann. Missouri Bot. Gard. 70(1): 206 (1983)
= Alstonia stenophylla (Donn.Sm.) J.F.Morales; Darwiniana 43: 108 (2005), nom. illeg.
= Rauvolfia stenophylla Donn.Sm.; Bot. Gaz. 44: 115 (1907)
= Tonduzia longipedunculata Woodson; Publ. Field Mus. Nat. Hist., Bot. Ser. 23: 78 (1944)
= Tonduzia parvifolia Pittier; Contr. U.S. Natl. Herb. 12: 103 (1908)
= Tonduzia pittieri Donn.Sm.; Bot. Gaz. 49: 456 (1910)