The Valley of the Catimbau is a microregion located in rural Pernambuco which is highly diverse. The taxonomic survey of the Bignoniaceae species was accomplished by morphological analysis of material collected in the field, as well as herbarium material. Ten species are recognized and distributed in eight genera: Anemopaegma Mart. ex Meisn., Cuspidaria DC., Fridericia Mart., Handroanthus Mattos, Jacaranda Juss., Mansoa DC, Pyrostegia C. Presl e Tabebuia Gomes ex DC. The species are distributed mainly in the Caatinga, P.venusta is also found in the rainforest. A key for the identification of species, illustrations and comments about the species conservation status, are provided.
Caatinga; floristic; ipê; lamiales; taxonomy
