Abstract
This study focuses on the Ulmaceae found in the state of Rio de Janeiro, Southeastern Brazil. It is based on a morphological analysis of herbaria collections, as well as on a review of the relevant literature and field collections. A total of two species were recorded for the state: Ampelocera glabra e Phyllostylon brasiliense, both critically endangered in Rio de Janeiro state. An identification key, descriptions, illustrations, habitat data, phenology, and species distribution are also provided.
Key words:
Ampelocera; Phyllostylon; floristic inventories; southeastern Brazil; taxonomy