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      Morfoanatomia das folhas de Dodonaea viscosa Jacq., Sapindaceae Translated title: Morph-anatomy of the leaves of Dodonaea viscosa Jacq., Sapindaceae

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          Abstract

          Dodonaea viscosa Jacq., Sapindaceae, é uma planta tradicionalmente utilizada como antifebril, anti-reumática e antimicrobiana. Neste trabalho foram determinados parâmetros morfo-anatômicos, por análise macro e microscópicas, das folhas de Dodonaea viscosa, com o objetivo de auxiliar sua diagnose como insumo farmacêutico. Macroscopicamente as folhas apresentam limbo com forma lanceolada, margem inteira, consistência áspera e venação eucamptódroma. O pecíolo é curto, reto e em seção transversal é triangular com os ângulos arredondados. Microscopicamente destaca-se a cutícula com formações lenticulares, os tricomas glandulares com quatro células na base, os tricomas tectores unicelulares de ápice afilado, os estômatos higrofíticos dispostos apenas na face abaxial da epiderme, o parênquima paliçádico com até três camadas de células e os feixes vasculares com xilema envolto por floema e cordões de parênquima que ligam um maciço central de células de parênquima a uma bainha de esclerênquima. Estas características morfo-anatômicas, quando analisadas em conjunto, contribuem no controle botânico de qualidade das folhas de Dodonaea viscosa como insumo farmacêutico.

          Translated abstract

          Dodonaea viscosa Jacq., Sapindaceae, is a plant traditionally used as anti fever, anti- rheumatic and antimicrobial. This work determined morpho-anatomical parameters, by macro and microscopic analysis of Dodonaea viscosa leaves, aiming to reach their diagnosis as pharmaceutical input. Macroscopically, the leaves have a lanceolate shape limb, full margin, rough consistence and venation eucamptodromous. The petiole is short, straight and in transversal section it is triangular with round angles. Microscopically, the lenticullar formation cuticle is seen with prominence, the glandular thricomes are seen with four cells on the base, the non-glandular unicellular thricomes are seen with pointed apex, the higrophitic stomatas are disposed in the lower surface epidermis only, the palisade parenchyma show up to three-cell layers and vascular bundles with xylem involved by phloem and parenchyma lines which bound a central mass of parenchyma cells to a sclerenchyma sheath. This morph-anatomical characteristic, when analyzed in group, contributes to the botanical quality control of Dodonaea viscosa leaves as pharmaceutical input.

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          Most cited references42

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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 2010
                : 20
                : 4
                : 536-541
                Affiliations
                [1 ] Universidade Federal de Santa Maria Brazil
                Article
                S0102-695X2010000400012
                10.1590/S0102-695X2010000400012
                c8db2190-9eb8-4a9f-8094-f15553278760

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

                History
                Product

                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
                morpho-anatomy,pharmacobotanic,Dodonaea viscosa,Sapindaceae,medicinal plants,Morfo-anatomia,farmacobotânica,plantas medicinais

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