Nomenclatural notes on species of Apocynaceae described from Cambodia, Laos and Vietnam Author Middleton, David J. Author Regalado J, Jacinto C. text Adansonia 2005 3 27 2 291 308 journal article http://doi.org/10.5281/zenodo.5186636 1639-4798 5186636 Oncinus cochinchinensis Lour. Fl. Cochinch.: 123 (1790). TYPE . — Loureiro s.n. (untraced), Vietnam , Cochinchina . NEOTYPE . — Clemens 3427 ( P ), Vietnam , Thua Thiên-Huê , Truoi, S of Huê , designated by Leeuwenberg , Syst. Geogr. Pl. 73: 21 (2003) .