The species of Bignoniaceae which occur at Restinga de Maricá were studied. These taxa are threatened with extinction due to disturbances that are changing the floristic composition and egetation of the area. The family is represented by seven genera and eleven species, six of which are new to the area. The different gradients of the studied area are described, analytic keys to the genera and species are included as well as popular nomenclature, geographic distribution, examined material and taxonomic and field observations.
Bignoniaceae; Restinga de Maricá; floristic