Eriocaulaceae da região serrana do estado do Rio De Janeiro, Brasil

Abstract

Eriocaulaceae comprises 10 genera and circa of 1200 species distributed in the tropics. Most of these species are rosulate herbs bearing a capitulum. Although many taxonomic treatments of Eriocaulaceae from the Espinhaço Range, the family main diversity center, are already published, the information about the species outside of this area is still lacking. In the state of Rio de Janeiro, the data on species richness, abundance, and geographical distribution of the Eriocaulaceae species are unavailable. This manuscript is the floristic treatment of the Eriocaulaceae from the serrana region of Rio de Janeiro state. A total of eight species was recorded, those distributed in four genera: one of Syngonanthus, one of Leiothrix, one of Tonina, and five of Paepalanthus. Species illustrations, descriptions, and an identification key, as well as comments on geographical distribution and morphological variation are provided.