O gênero Chloris Sw. (Poaceae: Chloridoideae) no municipio de Cuité - PB.

Abstract

— (Genus Chloris Sw. (Poaceae: Chloridoideae) in municipality of Cuité — PB). Poaceae is one of the most important families of flowering plants that compounds the herbaceous layer of the Caatinga. This family performances several ecological roles giving meaningful contribution to local biodiversity. Municipality of Cuité presents a mosaic of different vegetacional types holding an expressive species richness of Poaceae. The aim of this paper was to do a tloristic survey of the species of the genus Chloris Sw. in Cuité. Therefore collections were made in the study area during the period of March of 2009 till March of 2010. Materials collected were treated according the usual mies applied in tloristics and deposited in the University of Campina Grande campus of Cuité herbarium. For herbaria revision, visiting were made to EAN and JPB. As result, five species of the genus Chlorís was described for the municipality: C. gayana Kunth, C. orthonoton Dõll., C. vírgata SW,, C. ínflata Link and C. pycnothrix Trin. Also it was presented identification key, illustrations and comments about geographic distribution and the similarities and particularities among species.