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 Strophanthus annamensis Tsiang Sunyatsenia 6: 116 (1941) . HOLOTYPE . — Squires 901 ( A ), Vietnam , Lâm Dông, near Dalat.