Petchia is a genus of plant in the Apocynaceae family, first described as a genus in 1926. It is native to Madagascar, Cameroon, the Comoros and Sri Lanka. Species 1. \n* Petchia africana Leeuwenb. - Cameroon 2. \n* Petchia ceylanica (Wight) Livera - Sri Lanka 3. \n* Petchia cryptophlebia (Baker) Leeuwenb. - Madagascar 4. \n* Petchia erythrocarpa (Vatke) Leeuwenb. - Comoros, Madagascar 5. \n* Petchia humbertii (Markgr.) Leeuwenb. - Madagascar 6. \n* Petchia madagascariensis (A.DC.) Leeuwenb. - Madagascar 7. \n* Petchia montana (Pichon) Leeuwenb. - Madagascar 8. \n* Petchia plectaneiifolia (Pichon) Leeuwenb. - Madagascar