Calea (asteraceae, neurolaeneae) in goiás state, Brazil

Abstract

Calea is a Neotropical genus with 120 species. It is the largest one in number of species among the six genera of the tribe Neurolaeneae (Asteraceae). In Brazil occur 83 species of Calea, these total 46 are endemic of the country. The Brazilian region with more species is the Southeast (52 spp.), and Central-West (40 spp.). The state of Goiás is located in the Brazilian Central Plateau and has an area of approximately 340.111 km 2 covered mainly by phytophysiognomies of the Cerrado biome. To perform this work were realized botanical collections in several points of Goiás state from May 2014 to November 2015. We examined materials of several Brazilian herbaria and materials from own collections. Herein are reported 26 species and a complex of species of Calea for the Goiás state. It is presented an identification key, descriptions, illustration, taxonomic comments, phenology, distribution, and examined material.