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Cyperus prophyllatus : an endangered aquatic new species of Cyperus L. (Cyperaceae) with a exceptional spikelet disarticulation pattern among about 950 species, including molecular phylogenetic, anatomical and (micro)morphological data

(2021) PLOS ONE. 16(6).
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Abstract
Cyperus prophyllatus, an endangered new species of Cyperus (Cyperaceae) from an aquatic ecosystem of the Atlantic Forest, Espirito Santo State, southeastern Brazil, is described and illustrated. The spikelet morphology of Cyperus prophyllatus is unique among the c. 950 species of Cyperus in having both a conspicuous spikelet prophyll and a corky rachilla articulation, which remain persistent at the base of the spikelet after disarticulation. Our molecular phylogenetic data support the placement of C. prophyllatus in the C(3)Cyperus Grade and more precisely in the clade representing Cyperus sect. Oxycaryum, which also includes C. blepharoleptos and C. gardneri. Anatomical and (micro)morphological analyses corroborate the phylogenetic results, provide a better understanding of ecology and taxonomy, as well as reveal compatibility of structures with survival and dispersion in aquatic environments. A distribution map, table with distinctive characters of allied species, and conservation status are made available.
Keywords
TAXONOMIC CHANGES, ATLANTIC FOREST, INSIGHTS, CLASSIFICATION, PERFORMANCE, CYPEROIDEAE, MORPHOLOGY, ONTOGENY, REGION, WATER

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MLA
Ribeiro, André Rodolfo de Oliveira, et al. “Cyperus Prophyllatus : An Endangered Aquatic New Species of Cyperus L. (Cyperaceae) with a Exceptional Spikelet Disarticulation Pattern among about 950 Species, Including Molecular Phylogenetic, Anatomical and (Micro)Morphological Data.” PLOS ONE, vol. 16, no. 6, 2021, doi:10.1371/journal.pone.0249737.
APA
Ribeiro, A. R. de O., Pereira-Silva, L., Vieira, J. P. S., Larridon, I., Ribeiro, V. S., Felitto, G., … Alves, M. (2021). Cyperus prophyllatus : an endangered aquatic new species of Cyperus L. (Cyperaceae) with a exceptional spikelet disarticulation pattern among about 950 species, including molecular phylogenetic, anatomical and (micro)morphological data. PLOS ONE, 16(6). https://doi.org/10.1371/journal.pone.0249737
Chicago author-date
Ribeiro, André Rodolfo de Oliveira, Luciana Pereira-Silva, Jéssika Paula Silva Vieira, Isabel Larridon, Vinicius Santos Ribeiro, Guilherme Felitto, Geovane Souza Siqueira, Anderson Alves-Araújo, and Marccus Alves. 2021. “Cyperus Prophyllatus : An Endangered Aquatic New Species of Cyperus L. (Cyperaceae) with a Exceptional Spikelet Disarticulation Pattern among about 950 Species, Including Molecular Phylogenetic, Anatomical and (Micro)Morphological Data.” PLOS ONE 16 (6). https://doi.org/10.1371/journal.pone.0249737.
Chicago author-date (all authors)
Ribeiro, André Rodolfo de Oliveira, Luciana Pereira-Silva, Jéssika Paula Silva Vieira, Isabel Larridon, Vinicius Santos Ribeiro, Guilherme Felitto, Geovane Souza Siqueira, Anderson Alves-Araújo, and Marccus Alves. 2021. “Cyperus Prophyllatus : An Endangered Aquatic New Species of Cyperus L. (Cyperaceae) with a Exceptional Spikelet Disarticulation Pattern among about 950 Species, Including Molecular Phylogenetic, Anatomical and (Micro)Morphological Data.” PLOS ONE 16 (6). doi:10.1371/journal.pone.0249737.
Vancouver
1.
Ribeiro AR de O, Pereira-Silva L, Vieira JPS, Larridon I, Ribeiro VS, Felitto G, et al. Cyperus prophyllatus : an endangered aquatic new species of Cyperus L. (Cyperaceae) with a exceptional spikelet disarticulation pattern among about 950 species, including molecular phylogenetic, anatomical and (micro)morphological data. PLOS ONE. 2021;16(6).
IEEE
[1]
A. R. de O. Ribeiro et al., “Cyperus prophyllatus : an endangered aquatic new species of Cyperus L. (Cyperaceae) with a exceptional spikelet disarticulation pattern among about 950 species, including molecular phylogenetic, anatomical and (micro)morphological data,” PLOS ONE, vol. 16, no. 6, 2021.
@article{8716402,
  abstract     = {{Cyperus prophyllatus, an endangered new species of Cyperus (Cyperaceae) from an aquatic ecosystem of the Atlantic Forest, Espirito Santo State, southeastern Brazil, is described and illustrated. The spikelet morphology of Cyperus prophyllatus is unique among the c. 950 species of Cyperus in having both a conspicuous spikelet prophyll and a corky rachilla articulation, which remain persistent at the base of the spikelet after disarticulation. Our molecular phylogenetic data support the placement of C. prophyllatus in the C(3)Cyperus Grade and more precisely in the clade representing Cyperus sect. Oxycaryum, which also includes C. blepharoleptos and C. gardneri. Anatomical and (micro)morphological analyses corroborate the phylogenetic results, provide a better understanding of ecology and taxonomy, as well as reveal compatibility of structures with survival and dispersion in aquatic environments. A distribution map, table with distinctive characters of allied species, and conservation status are made available.}},
  articleno    = {{e0249737}},
  author       = {{Ribeiro, André Rodolfo de Oliveira and Pereira-Silva, Luciana and Vieira, Jéssika Paula Silva and Larridon, Isabel and Ribeiro, Vinicius Santos and Felitto, Guilherme and Siqueira, Geovane Souza and Alves-Araújo, Anderson and Alves, Marccus}},
  issn         = {{1932-6203}},
  journal      = {{PLOS ONE}},
  keywords     = {{TAXONOMIC CHANGES,ATLANTIC FOREST,INSIGHTS,CLASSIFICATION,PERFORMANCE,CYPEROIDEAE,MORPHOLOGY,ONTOGENY,REGION,WATER}},
  language     = {{eng}},
  number       = {{6}},
  pages        = {{23}},
  title        = {{Cyperus prophyllatus : an endangered aquatic new species of Cyperus L. (Cyperaceae) with a exceptional spikelet disarticulation pattern among about 950 species, including molecular phylogenetic, anatomical and (micro)morphological data}},
  url          = {{http://doi.org/10.1371/journal.pone.0249737}},
  volume       = {{16}},
  year         = {{2021}},
}

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