Lianas in Serra de Itabaiana National Park, Sergipe, Brazil

Abstract

Creepers, lianas or vines make up a group of fast-growing heliophytic plants that have appropriate morphological structures for climbing phorophytes. These plants are extremely important for biodiversity and the equilibrium of tropical ecosystems. There are several studies with this group of plants in Brazil due to its importance, however there is none carried out in the Serra de Itabaiana National Park (PARNASI), Sergipe. Thus, the present study aimed to inventory the lianas that occur in PARNASI, SE. Data collection was done through active search and consultation of the Specieslink database. The lianas found were collected, herborized and deposited in the ASE herbarium, Federal University of Sergipe, São Cristóvão, SE. In order to compare the floristic composition of the study area with others studied in other locations, a Jaccard similarity analysis was performed. In all, 115 species distributed in 59 genera and 29 families were sampled. The most abundant family was Apocynaceae with 17 species (15%), followed by Convolvulaceae represented by 14 species (13%) and Fabaceae with 11 taxa (10%). The most used ascension model was the “voluble” and “with a tendril” corroborating with the specialized literature consulted. The similarity values obtained indicate low similarity in species composition between the sites compared, evidencing the importance of each site for the conservation of this group of plants.