Tetrorchidium is a genus of flowering plants in the family Euphorbiaceae first described in 1841. It is native to tropical portions of Africa and the Western Hemisphere. Species 1. \n* Tetrorchidium andinum Müll.Arg. - Costa Rica, Honduras, Colombia, Ecuador, Peru, Ecuador 2. \n* Tetrorchidium brevifolium Standl. & Steyerm. - S Mexico, Guatemala, Honduras 3. \n* Tetrorchidium bulbipilosum Cuatrec. - Colombia, Ecuador 4. \n* Tetrorchidium congolense J.Léonard - Gabon, Congo, Zaire 5. \n* Tetrorchidium costaricense Huft - Costa Rica, Panama 6. \n* Tetrorchidium didymostemon (Baill.) Pax & K.Hoffm. - tropical Africa 7. \n* Tetrorchidium duckei Radcl.-Sm. & Govaerts - B Amazonas 8. \n* Tetrorchidium dusenii Pax & K.Hoffm. - Paraná in Brazil 9. \n* Tetrorchidium euryphyllum Standl. - C