Elementos histológicos característicos de Cecropia pachystachya Trécul (embaúba)

Anatomical characteristics of the leaf and the barks of the stem of the species Cecropia pachystachya Trecul are described aiming to identify this species when it is employed for therapeutic purposes. Epidermal annexs and cellular inclusions allow the diagnosis of the species from its leaves. Peculiarities of the fibers, petrea cells and vases allow the recognizing of the barks of the stem of Cecropia pachystachya Trecul.