Temnadenia is a genus of flowering plants in the dogbane family, Apocynaceae, first described as a genus in 1878. It is native to South America. Species \n* Temnadenia odorifera (Vell.) J.F.Morales - Brazil \n* Temnadenia ornata (Hoehne) Woodson - Bolivia, Peru, W Brazil \n* Temnadenia stenantha Woodson - Boyacá region of Colombia \n* Temnadenia violacea (Vell.) Miers - Brazilformerly included 1. \n* Temnadenia annularis = Prestonia annularis 2. \n* Temnadenia cordata = Mandevilla oaxacana 3. \n* Temnadenia corrugulata = Prestonia solanifolia 4. \n* Temnadenia glaucescens = Mandevilla oaxacana 5. \n* Temnadenia lasiocarpa = Mandevilla hirsuta 6. \n* Temnadenia leptoloba = Prestonia quinquangularis 7. \n* Temnadenia lobbiana = Mandevilla hirsuta 8. \n* Temnadenia meyeri = Ma