Oxypetalum is a genus of flowering plants in the Apocynaceae family, first described with this name in 1810. The genus is native to South America. Oxypetalum coeruleum is cultivated as an ornamental. Species 1. \n* Oxypetalum acerosum - Paraguay 2. \n* Oxypetalum aequaliflorum - Brazil 3. \n* Oxypetalum albicans - Brazil 4. \n* Oxypetalum alpinum - Brazil 5. \n* Oxypetalum appendiculatum - Paraguay, Brazil 6. \n* Oxypetalum arachnoideum - Rio de Janeiro 7. \n* Oxypetalum arenicola - Argentina 8. \n* Oxypetalum argentinum - Argentina 9. \n* Oxypetalum arnottianum - Brazil 10. \n* Oxypetalum arvense - Brazil 11. \n* Oxypetalum attenuatum - Bolivia 12. \n* Oxypetalum aurantiacum - Paraguay 13. \n* Oxypetalum balansae - Paraguay 14. \n* Oxypetalum banksii - Bahia 15. \n* Oxype