The Taxonomic Significance of ducts in the corolla lobes of Vernonia (Vernonieae: Asteraceae)

Abstract. The multiple longitudinal ducts in the corolla lobes found in the closely related genera Vernonia, Vernonanthura and Trepadonia are microscopically studied and illustrated. The lack of such ducts in the two South American species that have until now been retained in Vernonia indicates that...

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Detalles Bibliográficos
Autores principales: Robinson, Harold, Yankowski, Stanley
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Pensoft Publishers 2016
Materias:
Research Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4743011/
https://www.ncbi.nlm.nih.gov/pubmed/26884702
http://dx.doi.org/10.3897/phytokeys.58.7009
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author Robinson, Harold
Yankowski, Stanley
author_facet Robinson, Harold
Yankowski, Stanley
author_sort Robinson, Harold
collection PubMed
description Abstract. The multiple longitudinal ducts in the corolla lobes found in the closely related genera Vernonia, Vernonanthura and Trepadonia are microscopically studied and illustrated. The lack of such ducts in the two South American species that have until now been retained in Vernonia indicates that they should probably be excluded from the genus.
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spelling pubmed-47430112016-02-16 The Taxonomic Significance of ducts in the corolla lobes of Vernonia (Vernonieae: Asteraceae) Robinson, Harold Yankowski, Stanley PhytoKeys Research Article Abstract. The multiple longitudinal ducts in the corolla lobes found in the closely related genera Vernonia, Vernonanthura and Trepadonia are microscopically studied and illustrated. The lack of such ducts in the two South American species that have until now been retained in Vernonia indicates that they should probably be excluded from the genus. Pensoft Publishers 2016-01-12 /pmc/articles/PMC4743011/ /pubmed/26884702 http://dx.doi.org/10.3897/phytokeys.58.7009 Text en , Stanley Yankowski http://creativecommons.org/licenses/by/4.0 This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
spellingShingle Research Article
Robinson, Harold
Yankowski, Stanley
The Taxonomic Significance of ducts in the corolla lobes of Vernonia (Vernonieae: Asteraceae)
title The Taxonomic Significance of ducts in the corolla lobes of Vernonia (Vernonieae: Asteraceae)
title_full The Taxonomic Significance of ducts in the corolla lobes of Vernonia (Vernonieae: Asteraceae)
title_fullStr The Taxonomic Significance of ducts in the corolla lobes of Vernonia (Vernonieae: Asteraceae)
title_full_unstemmed The Taxonomic Significance of ducts in the corolla lobes of Vernonia (Vernonieae: Asteraceae)
title_short The Taxonomic Significance of ducts in the corolla lobes of Vernonia (Vernonieae: Asteraceae)
title_sort taxonomic significance of ducts in the corolla lobes of vernonia (vernonieae: asteraceae)
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4743011/
https://www.ncbi.nlm.nih.gov/pubmed/26884702
http://dx.doi.org/10.3897/phytokeys.58.7009
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