Flora of Pernambuco, Brazil: Ipomoea (Convolvulaceae)

Abstract

Ipomoea L. is the largest genus in Convolvulaceae with approximately 150 species reported from Brazil, more than 50% of which are from the northeastern region of the country. The genus is represented by 48 species in Pernambuco state, occurring in Atlantic Forest and Caatinga vegetation as well as areas impacted by human activities. We present here an identification key, photographic documentation, taxonomic comments, and the geographical distributions of species in Pernambuco. New records of Ipomoea cearensis O'Donell, I. hirsutissima Gardner and I. squamosa Choisy for the state are reported.