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      Arquitectura y anatomía foliar del complejo Polypodium plesiosorum sensu Moran (Polypodiaceae)

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          Abstract

          El complejo Polypodium plesisorum es un grupo de morfología heterogénea. Se estudió la arquitectura y anatomía foliar de 12 especies que constituyen el complejo de Polypodium plesiosorum reconocidas por Moran, y otras 23 especies de Polypodium (complejos P. dulce, P. polypodioides y P. vulgare sunsu Moran) y géneros relacionados taxonómicamente (Goniophlebium, Phlebodium, Pleopeltis, Serpocaulon, Synammia) con fines comparativos. Dos grupos de especies homogéneas fueron establecidos en el complejo P. plesisorum. Uno de ellos se reconoce por el tipo de anastomosis de las venas (tipo III): Polypodium conterminans (originalmente considerado en el grupo de P. dulce de venación libre según Moran), P. hispidulum, P. plesiosorum y P. rhodopleuron. El segundo grupo formado por Polypodium arcanum, P. castaneum, P. colpodes, P. eatonii y P. flagellare, se reconoce por el tipo de anastomosis de las venas (tipo IV) y la forma en que se fusionan los cordones vasculares a lo largo del eje pecíoloraquis de la hoja. Los caracteres estudiados ayudaron a relacionar las especies restantes con otros grupos fuera del complejo estudiado.

          Translated abstract

          Architecture and leaf anatomy of the Polypodium plesiosorum sensu Moran complex (Polypodiaceae). The Polypodium plesisorum complex is a heterogeneous morphology group. We studied leaf architecture and anatomy of 12 species of this group, in addition to other 23 species of Polypodium (P. dulce, P. polypodioides and P. vulgare complex sensu Moran) and related genera (Goniophlebium, Phlebodium, Pleopeltis, Serpocaulon, Synammia), for comparative purposes. Two homogeneous groups of species were established in P. plesiosorum complex. One of them is recognized based on the type of anastomosis of the veins (Type III): Polypodium conterminans (originally considered in the group of P. dulce with free venation by Moran), P. hispidulum, P. plesiosorum and P. rhodopleuron. The second group with Polypodium arcanum, P. castaneum, P. colpodes, P. eatonii, and P. flagellare were recognized based on the type of anastomosis of the veins (Type IV) and how vascular strands fuse along the petiole-leaf rachis. Characters studied helped to group the remaining species with other groups outside the complex under study. Rev. Biol. Trop. 58 (3): 955-976. Epub 2010 September 01.

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          Plant microtechnique

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            Ferns and Allied Plants

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              Fern Phylogeny Inferred from 400 Leptosporangiate Species and Three Plastid Genes

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                rbt
                Revista de Biología Tropical
                Rev. biol. trop
                Universidad de Costa Rica (San José )
                0034-7744
                September 2010
                : 58
                : 3
                : 955-976
                Affiliations
                [1 ] Universidad Nacional Autónoma de México Mexico
                [2 ] Universidad Nacional Autónoma de México Mexico
                [3 ] Universidad Autónoma Metropolitana Mexico
                Article
                S0034-77442010000300012
                76904907-a0a9-4e06-9b85-0ff076a10dbc

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

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                Product

                SciELO Costa Rica

                Self URI (journal page): http://www.scielo.sa.cr/scielo.php?script=sci_serial&pid=0034-7744&lng=en
                Categories
                Biodiversity Conservation
                Biology

                General life sciences,Animal science & Zoology
                polypodiaceae,Polypodium plesiosorum complex,leaf architecture,leaf anatomy,Mexico,Polypodiaceae,complejo Polypodium plesiosorum,arquitectura foliar,anatomía foliar,pecíolo

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