Seed coat micromorphology of South American species of Hybanthus [Violaceae]

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The seed-coat of several species of Hybanthus subg. Ionidium from South America were studied by SEM [scanning electronic microscopy]. Three different levels of sculpture were observed on the seed coat. The micro-morphological patterns showed great variation between the species and should be consider...

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Detalles Bibliográficos
Autor principal: Seo, Micaela Noemí
Formato: Artículo
Lenguaje:Inglés
Materias:
ANT
DICOTYLEDON
FUNCTIONAL MORPHOLOGY
GENETIC VARIATION
MICROMORPHOLOGY
SCANNING ELECTRON MICROSCOPY
SEED DISPERSAL
TAXONOMY
SOUTH AMERICA
FORMICIDAE
HYBANTHUS
IONIDIUM
VIOLACEAE
Acceso en línea:http://ri.agro.uba.ar/files/intranet/articulo/2010Seo.pdf
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Biblioteca Central (FAUBA) de Universidad de Buenos Aires
Descripción
Sumario:The seed-coat of several species of Hybanthus subg. Ionidium from South America were studied by SEM [scanning electronic microscopy]. Three different levels of sculpture were observed on the seed coat. The micro-morphological patterns showed great variation between the species and should be considered as additional characters in future taxonomic treatments. The presence of a conspicuous elaiosome was observed; this structure is well known in the genus Viola and is most likely related to seed dispersal mediated by ants.
ISSN:0107-055X

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