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17 May 2017 An Unusual New Species of Bidens (Asteraceae, Coreopsideae) with Its Phylogenetic Position and Taxonomic Notes
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Abstract

An unusual new species of Bidens (Asteraceae) from Brazil is described and its placement within the genus is elucidated by phylogenetic analysis of ITS sequences. The new species, described as Bidens campanulata, is distinct in the genus based on its broadly campanulate corolla limb with long lobes, an extremely reduced involucre (shorter than the flower length), and the absence of awns on the pappus. This study presents a taxonomic treatment of the species of Bidens with discoid capitula endemic to the Brazilian Cerrado, including a key to the species, typification, and information on conservation status.

© 2017 by the American Society of Plant Taxonomists
João Bernardo de Azevedo Bringel, José Floriano Barêa Pastore, and Taciana Barbosa Cavalcanti "An Unusual New Species of Bidens (Asteraceae, Coreopsideae) with Its Phylogenetic Position and Taxonomic Notes," Systematic Botany 42(2), 301-312, (17 May 2017). https://doi.org/10.1600/036364417X695448
Published: 17 May 2017
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