Abstract
In this study Begonia sylvestris A.DC. (Begoniaceae) is re-established to species rank. This species resembles B. arborescens Raddi, B. hookeriana Gardn. and B. lunaris E.L.Jacques which share growth pattern, similar leaf shape and deciduous stipules. A complete description, with illustration and taxonomic comments, is provided.
Key words:
Atlantic rainforest; nomenclature; Rio de Janeiro; taxonomy