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      Arquitectura foliar de las especies de Myrtaceae nativas de la Argentina I: Grupos "Myrcia", "Myrceugenia" y "Plinia" Translated title: Foliar architecture of native species of Myrtaceae from Argentina I: Groups "Myrcia","Myrceugenia" and "Plinia"

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          Abstract

          Se estudiaron 19 especies nativas de la flora Argentina con el fin de encontrar patrones en la arquitectura foliar que permitan diferenciar las especies de los grupos (subtribus informales) "Plinia", "Myrcia" y "Myrceugenia" (sensu Lucas et al. 2007), (Tribu Myrteae, Myrtaceae). Las hojas de los grupos estudiados en este trabajo se caracterizan por ser simples, de ápice y base variables, de textura membranácea a coriácea y de margen entero. Su arquitectura foliar está caracterizada por presentar una venación de primera categoría pinnada, simple y recta, carecen de venas agróficas, la venación de segunda categoría es camptódroma-broquidódroma con una vena paramarginal, y dos, una o ninguna vena intramarginal. Las venas de tercera y cuarta categoría son reticuladas al azar o ramificadas; las aréolas varían entre no desarrolladas a desarrolladas completamente y, con vénulas ramificadas una, dos o más veces.

          Translated abstract

          Nineteen species of native flora were studied to find patterns of leaf architecture to differentiate the Argentinean species of the groups (informal subtribal) "Plinia", "Myrcia" and "Myrceugenia" (sensu Lucas et al. 2007), (Tribe Myrteae, Family Myrtaceae). The leaves studied in this work are characterized by being simple, with apex and base variable, membranaceous to coriaceous in texture, and with entire margin. Its venation pattern is characterized by having the first vein category pinnate, simple, and straight, without agrophic veins; venation of secondary category with always brochidodromous-camptodromous veins, with one paramarginal vein, and may have two, one, or none intramarginal vein; the third and fourth vein category are random reticulate or branched, the areolae vary from undeveloped to fully developed and venules branching one, two, or more times.

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          An integrated system of classification of flowering plant

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            Relationships within Myrtaceae sensu lato based on a matK phylogeny

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              An Integrated System of Classification of Flowering Plants

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                Author and article information

                Contributors
                Role: ND
                Journal
                bsab
                Boletín de la Sociedad Argentina de Botánica
                Bol. Soc. Argent. Bot.
                Sociedad Argentina de Botánica (Córdoba, Córdoba, Argentina )
                1851-2372
                June 2011
                : 46
                : 1-2
                : 41-63
                Affiliations
                [01] Trelew Chubut orgnameUniversidad Nacional de la Patagonia San Juan Bosco orgdiv1Facultad de Ciencias Naturales
                [02] Trelew Chubut orgnameCONICET orgdiv1Museo Paleontológico Egidio Feruglio Argentina
                Article
                S1851-23722011000100004
                aa9d82e7-bee4-4e24-8f38-482f6bb5b11a

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 09 November 2010
                : 03 May 2010
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 26, Pages: 23
                Product

                SciELO Argentina


                Arquitectura foliar,Argentina,"Group Myrceugenia","Group Plinia","Group Myrcia",Myrtaceae,Leaf Architecture,"Grupo Myrceugenia","Grupo Plinia","Grupo Myrcia"

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