Mascarenhasia is a genus of plant in family Apocynaceae first described as a genus in 1844. It is native to Africa and a few islands in the Indian Ocean. Several species are endemic to Madagascar. Species 1. \n* Mascarenhasia arborescens A.DC. - Kenya, Tanzania, Zaire, Malawi, Mozambique, Zimbabwe, Comoros, Madagascar; naturalized in Seychelles 2. \n* Mascarenhasia havetii A.DC. - Madagascar 3. \n* Mascarenhasia lanceolata A.DC. - Madagascar 4. \n* Mascarenhasia lisianthiflora A.DC. - Madagascar 5. \n* Mascarenhasia macrosiphon Baker - Madagascar 6. \n* Mascarenhasia rubra Jum. & H.Perrier - Madagascar 7. \n* Mascarenhasia speciosa Scott-Elliot - Madagascar 8. \n* Mascarenhasia tampinensis Pichon - Madagascar