Macroditassa is a genus of plant in family Apocynaceae, first described as a genus in 1927. It is native to South America. Species 1. \n* Macroditassa adnata (E.Fourn.) Malme - Brazil, Bolivia, Peru 2. \n* Macroditassa carolina Morillo - Guyana 3. \n* Macroditassa grandiflora (E.Fourn.) Malme - Brazil 4. \n* Macroditassa lagoensis (E. Fourn.) Malme - Brazil 5. \n* Macroditassa laurifolia (Decne.) Fontella - Brazil 6. \n* Macroditassa laxa (Malme) Fontella & E. Herrera - Rio de Janeiro 7. \n* Macroditassa macrophylla Malme - Minas Gerais 8. \n* Macroditassa mantiqueirae Matoz. & T.U.P.Konno - Serra Negra in Minas Gerais 9. \n* Macroditassa marianae Fontella & M.V.Ferreira - São Paulo 10. \n* Macroditassa melantha (Silveira) Rapini - Minas Gerais, Espírito Santo 11. \n* Macrodita