Sphaeradenia is a genus of plant in family Cyclanthaceae, first described as a genus in 1954. It is native to Central America and South America. Species 1. \n* Sphaeradenia acutitepala - from Nicaragua to Colombia 2. \n* Sphaeradenia alba - Panama 3. \n* Sphaeradenia alleniana - Costa Rica, Panama 4. \n* Sphaeradenia amazonica - Colombia, Venezuela, NW Brazil 5. \n* Sphaeradenia angustifolia - Peru 6. \n* Sphaeradenia asplundii - Ecuador 7. \n* Sphaeradenia brachiolata - Ecuador 8. \n* Sphaeradenia buenaventurae - Colombia 9. \n* Sphaeradenia carnosa - Colombia 10. \n* Sphaeradenia chiriquensis - Costa Rica, Panama 11. \n* Sphaeradenia columnaris - Colombia 12. \n* Sphaeradenia compacta - Colombia 13. \n* Sphaeradenia crassiceps - Peru 14. \n* Sphaeradenia crocea - Costa Rica