Flora of the canga of the Serra dos Carajás, Pará, Brazil: Pylaisiadelphaceae Oliveira-da-SilvaFúvio Rubens Ilkiu-BorgesAnna Luiza 2018 <p></p><p>Abstract Pylaisiadelphaceae is respresented by four species of the genera Isopterygium (2 spp.), Pterogonidium (1 sp.) and Taxithelium (1 sp.) in the canga areas of the Serra dos Carajás, Pará state, for which are presented descriptions, illustrations and morphological comments.</p><p></p>