What is "malmeanthus"

Malmeanthus is a genus of South American flowering plants in the boneset tribe within the sunflower family.

1. Malmeanthus catharinensis R.M.King & H.Rob. - Santa Catarina
2. Malmeanthus hilarii (B.L.Rob.) R.M.King & H.Rob. - Minas Gerais
3. Malmeanthus subintegerrimus (Malme) R.M.King & H.Rob. - Rio Grande do Sul, Santa Catarina, Uruguay