Diversidade de lianas e trepadeiras do Parque Nacional de Ubajara, Ceará, Brasil

Abstract

Lianas and vines are important components of forestry units, especially in tropical regions, which are differentiated mainly by the degree of woodiness in their stem. These groups contribute notably to the richness of species from different ecosystems, bringing benefits to flora and fauna. However, they constitute the least studied component, generating a gap in knowledge about floristic-structural, regenerative aspects, and factors that influence these groups in the different vegetation formations. This study aimed to survey the species of lianas and vines recorded in the National Park of Ubajara (PARNA Ubajara), in the state of Ceará. The information about the species was obtained through consultation with the digital databases Flora do Brasil 2020 and Reference Center for Environmental Information - CRIA. Based on this information, a list of species and an identification key for the registered botanical families were prepared. In PARNA Ubajara, 60 species were listed, distributed in 42 genera and 20 families of lianas and vines, with emphasis on Fabaceae (25%), Bignoniaceae (8.3%) and Convolvulaceae (8.3%), corresponding to 41.6 % of total taxa. Such families were represented in other remnants of the Atlantic Forest, showing a floristic similarity between these areas. Floristic inventories are important to these groups of plants, which can serve as a subsidy for the creation of species conservation programs, especially for those that are in the category of little concern, according to the red book on flora in Brazil, and that were recorded in the study area