Abstract
This study was undertaken in fragments of lowland Atlantic Forest surrounded by sugar cane plantations in Igarassu, Pernambuco, Brazil. Amongst the 93 species recorded for the locality, 30 species have a climbing habit. Passiflora is among the most species-rich genera which is novel in a floristic study. Morphological characters such as the presence and position of a tendril, limb form and flower symmetry are the most important for species identification. Here we present a species checklist for the locality, annotated with distribution data. An illustrated key to the climbing species found in Igarassu is also provided.
