Flora of Ceará, Brasil: Passifloraceae s.s

Abstract This study presents the floristic-taxonomic treatment of Passifloraceae s.s. from the state of Ceara. Identifications were based on the analysis of collections deposited in national herbaria and photos of international herbarium collections, including types specimens, specialized bibliography and samples collected in the field. The family is represented in Ceara by 18 taxa of Passiflora, of which three are new records for the state: P. capsularis, P. kermesina and P. morifolia. Ten species were registered in Conservation Units in Ceara. The species occur in various types of vegetaion, but prefer more humid environments. Identification key, comments, images and distribution maps of the species are provided.