Taxonomic revision of the genus Alternanthera (Amaranthaceae) in Italy

A taxonomic revision of the genus Alternanthera (Amaranthaceae) in Italy is here presented. Field surveys were carried out during the period 2007–2013. Thirty-six herbaria (both European and American) were consulted as well as extensive literature was analyzed. Four taxa are recognized, all of them...

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Bibliographic Details
Published in:Plant biosystems 2016-03, Vol.150 (2), p.333-342
Main Authors: Iamonico, D, Sánchez-Del Pino, I
Format: Article
Language:English
Subjects:
Alternanthera
biological invasion
chromosome number
common names
ecological impact
habitats
herbaria
naturalized species
neotypes
phenology
surveys
taxonomic revisions
Taxonomy
typification
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Summary:A taxonomic revision of the genus Alternanthera (Amaranthaceae) in Italy is here presented. Field surveys were carried out during the period 2007–2013. Thirty-six herbaria (both European and American) were consulted as well as extensive literature was analyzed. Four taxa are recognized, all of them to be considered aliens native to South America. Information about nomenclature (accepted names, main synonyms, and types), morphology, chromosome number, alien status (at national and regional levels), occurrence in Italy (at regional and provincial scale), ecology (preferential habitat, phenology, and elevation), taxonomical notes, and Italian vernacular names were provided for each taxon. A diagnostic key was given. For the nomenclatural purposes the generic name Alternanthera and its type was discussed, and the names A. paronychioides and A. pungens were studied and typified (lecto- and neotype, respectively) on specimens preserved at PH and P.
ISSN:1724-5575
1126-3504
1724-5575
DOI:10.1080/11263504.2015.1019588