摘要
a taxonomic treatment of the species of aristolochiaceae from paran芍 state is presented. the floristic survey revealed ten taxa of the genus aristolochia l.: a. chamissonis (klotzsch) duch., a. elegans mast., a. fimbriata cham. %26 schltdl., a. gigantea mart. %26 zucc., a. melastoma silva manso ex duch., a. odoratissima l., a. paulistana hoehne, a. triangularis cham., a. trilobata l. and a. wendeliana hoehne. the first report of a. fimbriata is presented for paran芍 state. an identification key, descriptions and illustrations of the aristolochia species are also given.