What is "sciadocephala"

Sciadocephala is a genus of Latin American plants in the boneset tribe within the sunflower family.

1. Sciadocephala amazonica R.M.King & H.Rob. - Colombia, Ecuador
2. Sciadocephala asplundii R.M.King & H.Rob. - Ecuador
3. Sciadocephala dressleri R.M.King & H.Rob. - Panamá, Ecuador
4. Sciadocephala pakaraimae (Maguire & Wurdack) R.M.King & H.Rob. - Guyana
5. Sciadocephala schultze-rhonhofiae Mattf. - Ecuador, Peru