Passifloraceae s.s. comprise more than 700 species and 16 genera. In Brazil four genera are registered and Passiflora L. is the most representative with over than 130 species. This study contributed to knowledge of the flora of Passiflora from Usina São José (USJ), updating the information about the diversity of this genus in the Northeast. We recorded ten species of Passiflora. Identification key, descriptions, illustrations and comments on each taxon are presented here.
Atlantic rainforest; floristic; liana; vine; taxonomy
