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      Análise morfoanatômica de folhas de Ocotea puberula (Rich.) Nees, Lauraceae Translated title: Leaf morpho-anatomical analysis of Ocotea puberula (Rich.) Nees, Lauraceae

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          Abstract

          Ocotea puberula (Rich.) Nees é uma espécie arbórea nativa, que ocorre por toda a América tropical e subtropical, em quase todas as formações florestais. É conhecida como guaicá, canela-guaicá e canela-sebo, sendo utilizada por comunidades indígenas no tratamento de tumores e afecções da pele. Este trabalho analisou a morfoanatomia das folhas da espécie, a fim de fornecer subsídios anatômicos à sua identificação. O material botânico foi fixado e submetido a técnicas usuais de microscopia fotônica e eletrônica de varredura. As folhas são alternas, simples, inteiras, elípticas ou elíptico-lanceoladas e revolutas na base. A anatomia foliar revela a ocorrência de estômatos paracíticos e tricomas tectores unicelulares na face abaxial, mesofilo dorsiventral, nervura mediana biconvexa, com sistema vascular constituído de feixe único do tipo colateral em arco aberto. Na estrutura anatômica da folha, são observadas células secretoras de substâncias lipofílicas e mucilaginosas.

          Translated abstract

          Ocotea puberula (Rich.) Nees is a native woody species. It occurs all over tropical and subtropical America, in almost all the forest formations. It is known as guaicá, canela-guaicá and canela-sebo, being used by indigenous communities to treat skin diseases and tumours. This work has analysed the leaf morpho-anatomy of the species, in order to supply anatomical information for its identification. The botanical material was fixed and prepared according to usual optical and scanning microtechniques. The leaves are alternate, simple, entire, elliptical or elliptical-lanceolate and revolute at the base. The leaf anatomy shows paracytic stomata and unicellular non-glandular trichomes on the abaxial surface, dorsiventral mesophyll and biconvex midrib consisting of a collateral bundle in open arc. Oil and mucilage cells are found in leaf anatomical structure.

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          Plant microtechnique

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            Árvores brasileiras:manual de identificação e cultivo de plantas arbóreas nativas do Brasil

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              An integrated system of classification of flowering plant

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                rbfar
                Revista Brasileira de Farmacognosia
                Rev. bras. farmacogn.
                Sociedade Brasileira de Farmacognosia (Curitiba )
                1981-528X
                September 2005
                : 15
                : 3
                : 250-255
                Affiliations
                [1 ] Universidade Estadual de Ponta Grossa Brasil
                [2 ] Universidade Federal do Paraná Brazil
                Article
                S0102-695X2005000300016
                10.1590/S0102-695X2005000300016
                14f51d74-f4be-4f63-be7c-f2691ecd96bc

                http://creativecommons.org/licenses/by/4.0/

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                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0102-695X&lng=en
                Categories
                PHARMACOLOGY & PHARMACY

                Pharmacology & Pharmaceutical medicine
                Ocotea puberula,Lauraceae,morpho-anatomy,morfoanatomia
                Pharmacology & Pharmaceutical medicine
                Ocotea puberula, Lauraceae, morpho-anatomy, morfoanatomia

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