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      Morfología del fruto en especies de Valeriana (Valerianaceae) de los Andes australes Translated title: Fruit morphology in Valeriana species (Valerianaceae) from the southern Andes

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          Abstract

          Se describen, ilustran y comparan los aquenios de 37 especies de Valeriana de los Andes australes, a través de microscopía electrónica de barrido (MEB) y estereomicroscopía. Se muestra que el análisis detallado de los aquenios provee excelentes caracteres taxonómicos (forma del fruto, grado de desarrollo de los lóculos estériles y superficie del fruto) que permiten separar los taxones de Argentina y Chile austral. Los resultados son contrastados con la sistemática del género. Se definen cuatro grupos informales, y se presenta una clave para identificar las especies andinas de Valeriana basada en la morfología de los frutos.

          Translated abstract

          Achenes of the thirty seven Valeriana species from the southern Andes were described, illustrated and compared by scanning electron microscopy and stereomicroscopy. It is shown that the detailed analysis of the achenes provides excellent taxonomic characters (e.g. fruit shape, sterile locules development, fruit-coat surface) to distinguish among the southern Argentina and Chile taxa. Results are contrasted with the systematics of this genus. Four informal groups are established, and a key to the South-Andean species of Valeriana is provided, based on achene morphology.

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          Diccionario de Botánica

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            The Evolution of Reproductive Characters in Dipsacales

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              The plant-book: A portable dictionary of the higher plants

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                Author and article information

                Contributors
                Role: ND
                Journal
                darwin
                Darwiniana, nueva serie
                Darwiniana, nueva serie
                Instituto de Botánica Darwinion & Museo Botánico de Córdoba (San Isidro )
                1850-1699
                July 2008
                : 46
                : 1
                : 17-35
                Affiliations
                [1 ] , Universidad Nacional de la Patagonia San Juan Bosco Argentina
                Article
                S0011-67932008000100002
                2869512d-940d-4a33-8e57-dba28020073c

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

                History
                Product

                SciELO Argentina

                Self URI (journal page): http://www.scielo.org.ar/scielo.php?script=sci_serial&pid=0011-6793&lng=en
                Categories
                PLANT SCIENCES

                Plant science & Botany
                Achene,South America,Systematics,Valeriana,Valerianaceae,Aquenio,Sistemática,Sudamérica

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