What is "holocheilus"

Holocheilus is a genus of flowering plants in the daisy family.

1. Holocheilus brasiliensis (L.) Cabrera - Brazil, Argentina, Paraguay, Uruguay
2. Holocheilus fabrisii Cabrera - Bolivia, southern Brazil, northwestern Argentina
3. Holocheilus hieracioides (D.Don) Cabrera - Brazil, Argentina, Paraguay, Uruguay
4. Holocheilus illustris (Vell.) Cabrera - Brazil, Argentina, Uruguay
5. Holocheilus monocephalus Mondin - Rio Grande do Sul, Santa Catarina
6. Holocheilus pinnatifidus (Less.) Cabrera - Paraná, São Paulo
7. Holocheilus schulzii (Cabrera) Cabrera - Paraná, Argentina, Paraguay