Nephradenia is a genus of plant in family Apocynaceae, first described as a genus in 1844. They are native to South America. Species 1. \n* Nephradenia acerosa Decne. - Goiás 2. \n* Nephradenia asparagoides (Decne.) E.Fourn. - Bahia 3. \n* Nephradenia filipes Malme - Serra da Chapada in Matto Grosso 4. \n* Nephradenia linearis Benth. ex E.Fourn. - N Brazil, Ecuador, Venezuelaformerly included transferred to other genera (Blepharodon, Marsdenia)