Cestrum cyaneum Cestrum cyaneum Dunalia tubulosa Habrothamnus cyaneus Iochroma cyaneum Iochroma schlechtendaliana Iochroma tetradynama Iochroma tubulosa Meyenia cyanea Iochroma albianthum Iochroma weberbaueri
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024