What is "stylotrichium"

Stylotrichium is a genus of Brazilian plants in the boneset tribe within the sunflower family.

1. Stylotrichium corymbosum (DC.) Mattf. - Bahia
2. Stylotrichium edmundoi G.M.Barroso - Bahia
3. Stylotrichium glomeratum Bautista, Rodr.Oubiña & S.Ortiz - Bahia
4. Stylotrichium rotundifolium Mattf. - Bahia
5. Stylotrichium sucrei R.M.King & H.Rob. - Bahia