Souza, Luis A.Albiero, Adriana L. M.Almeida, Odair J. G. [UNESP]Lopes, Willian A. L.Mourao, Kathia S. M.Moscheta, Ismar S.2014-05-202014-05-202009-01-01Latin American Journal of Pharmacy. La Plata: Colegio Farmaceuticos Provincia de Buenos Aires, v. 28, n. 1, p. 103-107, 2009.0326-2383http://hdl.handle.net/11449/40718The genus Piper L. includes a great number of medicinal interest species. P. arboreum is frequent in forests of Maringa, Parana State, Brazil. Its leaves and stem are analyzed morphologic and anatomically, freehand sectioned in cross-section and longitudinal section, and were stained in astra blue and safranin. Petiole and midrib base present 15-20 vascular bundles. The blade is hypostomatic, dorsiventral and shows staurocytic stomatal complex, subepidermis and oil idioblasts. The stem possesses medullary vascular bundles; a typical endodermis is not observed, as it occurs in other Piper species.103-107porAnatomyLeafMorphologyPiper arboreumPiperaceaeStemArtigoWOS:000267276300016Acesso restrito