Abstract
Polygalaceae is widely distributed in tropical and temperate regions. It presents approximately 1,300 species, with 197 occurring in Brazil. Five genera and nine species were recognized to the fragment of Atlantic Forest in the area of Usina São José, Igarassu, Pernambuco. The taxon included in this taxonomic study are: Asemeia martiana, A. violacea, Bredemeyera laurifolia, Diclidanthera laurifolia, Polygala galioides, P. longicaulis, P. paniculata, P. trichosperma e Securidaca diversifolia. They are mainly recognized by the habit, the occurrence and shape of the glands on the base of the petiole and pedicel, carina apex, fruit type, shape of seeds and occurrence of appendages on them. Identification key, descriptions, illustrations, and comments for the taxa are also provided.
Key words:
Brazil; floristics; inventory; Atlantic rainforest; taxonomy
