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Anatomy of Echinodorus (Alismataceae) scapes from northeastern Brazil as applied to taxonomy

dc.contributor.authorMatias, L. Q.
dc.contributor.authorSoares, A.
dc.contributor.authorScatena, V. L. [UNESP]
dc.contributor.institutionDepartamento de Biologia
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-27T11:22:48Z
dc.date.available2014-05-27T11:22:48Z
dc.date.issued2008-03-01
dc.description.abstractThe anatomical characters of the scape of Echinodorus glandulosus, E. lanceolatus, E. palaefolius, E. paniculatus, E. pubescens and E. subalatus subsp. subalatus (Alismataceae) were examined. These six sympatric species occur in northeastern Brazil and demonstrate great morphological similarity. The aim of the present study was to identify anatomical characters of taxonomic importance. Scapes possess a uniseriate epidermis composed of thin-walled tabular cells. The scapes of most species have differentiated epidermis, cortex, and vascular cylinders. There are several layers of regular chlorenchyma cells immediately below the epidermis, intercalated with collateral vascular bundles, in all species. There are also laticiferous ducts throughout the scape, and aerenchyma in both the cortex and pith. The shape and outline of scapes, the presence and position of winged extensions, the absence of differentiated vascular cylinders or cortex, and the number of vascular bundles are important characters for differentiating species in Echinodorus. An identification key employing the features analysed is provided. © 2008 Trustees of the Royal Botanic Garden.en
dc.description.affiliationUniversidade Federal Do Ceará Departamento de Biologia Campus Do PiCi, Bloco 906, 60451-760, Fortaleza, CE
dc.description.affiliationDepartamento de Botânica Instituto de Biociências UNESP, C. Postal 199, 13506-900, Rio Claro, SP
dc.description.affiliationBolsista CNPq
dc.description.affiliationUnespDepartamento de Botânica Instituto de Biociências UNESP, C. Postal 199, 13506-900, Rio Claro, SP
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.format.extent11-21
dc.identifierhttp://dx.doi.org/10.1017/S0960428608004794
dc.identifier.citationEdinburgh Journal of Botany, v. 65, n. 1, p. 11-21, 2008.
dc.identifier.doi10.1017/S0960428608004794
dc.identifier.file2-s2.0-39849083329.pdf
dc.identifier.issn0960-4286
dc.identifier.issn1474-0036
dc.identifier.lattes2454528048086769
dc.identifier.scopus2-s2.0-39849083329
dc.identifier.urihttp://hdl.handle.net/11449/70317
dc.language.isoeng
dc.relation.ispartofEdinburgh Journal of Botany
dc.relation.ispartofsjr0,283
dc.relation.ispartofsjr0,283
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectAlismataceae
dc.subjectAquatic plants
dc.subjectEchinodorus
dc.subjectScape anatomy
dc.titleAnatomy of Echinodorus (Alismataceae) scapes from northeastern Brazil as applied to taxonomyen
dc.typeArtigo
dcterms.licensehttp://journals.cambridge.org/action/displaySpecialPage?pageId=4676
dspace.entity.typePublication
unesp.author.lattes2454528048086769
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Biociências, Rio Claropt
unesp.departmentBotânica - IBpt

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