A survey of the climbing flowering plants in the tropical rain forest remnants of Parque Estadual das Fontes do Ipiranga was carried out. Collections were made from January 2006 to June 2007. One hundred, eighty seven species were found, in 109 genera, and 32 families. Identification key, illustrations and descriptions are presented. Fabaceae (21), Bignoniaceae (20) and Asteraceae (20) are the families with the highest species richness. Mikania and Passiflora are the richest genera, both with 12 species. Twiners are the most common adaptation (40.8%) Species richness of climbing plants found in Parque Estadual das Fontes do Ipiranga is similar of those found in extensive rain tropical forested area, emphasizing the importance, for climbing plants, of the conservation of isolated forest remnants.
floristic; lianas; rain forest
