Temnadenia is a genus of flowering plants in the family Apocynaceae, first described as a genus in 1878. It is native to South America.Kew World Checklist of Selected plant FamiliesMorales, J.F. (2005). Estudios en la Apocynaceae Neotropicales XIII: revisión del género Temnadenia (Apocynoideae, Echiteae). Candollea 60: 207-231.

Species Temnadenia odorifera (Vell.) J.F.Morales - Brazil Temnadenia ornata (Hoehne) Woodson - Bolivia, Peru, W Brazil Temnadenia stenantha Woodson - Boyacá region of Colombia Temnadenia violacea (Vell.) Miers - Brazil

formerly included Temnadenia annularis = Prestonia annularis Temnadenia cordata = Mandevilla oaxacana Temnadenia corrugulata = Prestonia solanifolia Temnadenia glaucescens = Mandevilla oaxacana Temnadenia lasiocarpa = Mandevilla hirsuta Temnadenia leptoloba = Prestonia quinquangularis Temnadenia lobbiana = Mandevilla hirsuta Temnadenia meyeri = Macropharynx meyeri Temnadenia palustris = Mandevilla hirsuta Temnadenia parviflora = Prestonia parviflora Temnadenia quinquangularis = Prestonia quinquangularis Temnadenia riedelii = Prestonia riedelii Temnadenia secundiflora = Mandevilla subsagittata Temnadenia semidigyna = Echites semidigynus Temnadenia solanifolia = Prestonia solanifolia Temnadenia tenuicula = Prestonia solanifolia Temnadenia tomentosa = Mandevilla hirsuta Temnadenia xanthostoma = Mandevilla coccinea

References