A new species of Prestelia (Asteraceae: Vernonieae) from Minas Gerais, Brazil

Prestelia is a small genus of Asteraceae (Vernonieae: Lychnophorinae) endemic to the Espinhaço Range of mountains in Minas Gerais, Brazil. A new species of Prestelia , from the Diamantina Plateau (Minas Gerais, Brazil), is described here as Prestelia graminifolia . It can be distinguished from the congeneric species by its 3–4 heads per syncephalium, glabrous corolla lobes, and pilose cypsela. An updated identification key for the genus, illustration, photo plate, distribution map, and taxonomic comments on the new species are provided.