Taxonomic re-evaluation ofPanicumsectionsTuerckheimianaandValida(Poaceae: Panicoideae) using morphological and molecular data

The taxonomic status ofPanicumsect.Tuerckheimianaand sect.Validahas remained as “incertae sedis” withinPanicum. To resolve the systematic position of both sections within Paniceae s.l., morphological studies and phylogenetic analyses based on chloroplast sequence data (ndhF) were conducted. Our stud...

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Bibliographic Details
Published in:Taxon 2014-04, Vol.63 (2), p.265-274
Main Authors: Lizarazu, Mabel A., Nicola, Marcela V., Salariato, Diego L.
Format: Article
Language:English
Subjects:
Anatomy
Biological taxonomies
Genera
Glumes
Inflorescences
Papillae
Phylogenetics
Phylogeny
Spikelets
SYSTEMATICS AND PHYLOGENY
Taxa
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Summary:The taxonomic status ofPanicumsect.Tuerckheimianaand sect.Validahas remained as “incertae sedis” withinPanicum. To resolve the systematic position of both sections within Paniceae s.l., morphological studies and phylogenetic analyses based on chloroplast sequence data (ndhF) were conducted. Our study shows that both sections are included in the subtribe Paspalinae of tribe Paspaleae, where they are related with the genusAnthaenantiopsis. These results support the recent transfer of these species to the recently described generaAakiaandOsvaldoa; they are restricted to forests of Mesoamerica and lowlands of southern South America respectively. These genera are described and compared with other allied genera of subtribe Paspalinae.
ISSN:0040-0262
1996-8175