What is "rhetinantha"

Rhetinantha is a genus of orchids native to Mexico, South America and Central America.

1. Rhetinantha aciantha (Rchb.f.) M.A.Blanco - widespread from southern Mexico to Brazil
2. Rhetinantha acuminata (Lindl.) M.A.Blanco - Venezuela, Colombia, Ecuador, Peru
3. Rhetinantha cerifera (Barb.Rodr.) M.A.Blanco - Venezuela, Colombia, Brazil, Peru, Bolivia
4. Rhetinantha divaricata (Barb.Rodr.) M.A.Blanco - Brazil, Peru, Bolivia
5. Rhetinantha encyclioides (J.T.Atwood & Dodson) M.A.Blanco - Ecuador
6. Rhetinantha friedrichsthalii (Rchb.f.) M.A.Blanco - Central America (all 7 countries), Yucatán Peninsula
7. Rhetinantha mariaisabeliae (J.T.Atwood) M.A.Blanco - Bolivia
8. Rhetinantha monacensis (Kraenzl.) M.A.Blanco - Venezuela, Colombia
9. Rhetinantha neilii (Dodson) M.A.Blanco - Ecuador
10. Rhetinantha notylioglossa (Rchb.f.) M.A.Blanco - Venezuela, Colombia, Brazil, Peru, Bolivia, Ecuador
11. Rhetinantha ophiodens (J.T.Atwood) M.A.Blanco - Bolivia
12. Rhetinantha pastorellii (D.E.Benn. & Christenson) M.A.Blanco - Ecuador, Peru
13. Rhetinantha schistostele (Schltr.) M.A.Blanco - Costa Rica
14. Rhetinantha scorpioidea (Kraenzl.) M.A.Blanco - widespread from southern Mexico to Brazil
15. Rhetinantha witsenioides (Schltr.) M.A.Blanco - Colombia, Ecuador, Peru