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 Aganosma harmandiana Pierre ex Spire Contr. Apocyn.: 109 (1905). LECTOTYPE . — Harmand 5241 ( HM ), Laos , Saravane , Lakhon Pheng District , Kham Teuay , designated by L´y, Feddes Repert. 97: 658 (1986) . Alstonia angustifolia var. annamensis Monachino Pacific Sci. 3: 160 (1949) . HOLOTYPE . — Poilane 5970 ( A ), Vietnam , Ninh Thuân, Ca Na.