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      Checklist of Angiosperms in the Restingas of Pará state, Brazil, with comments on floristic affinities and phytophysiognomies

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          Abstract

          Abstract Pará state has one of the longest coastal in Brazil. However, floristic surveys have been conducted in few regions and only one study has comprehensively evaluated the coastal flora of the state. The objective of this study was to create an updated and certified checklist of the angiosperms in the restingas of Pará. The list was made using literature, floristic and taxonomic revisions, herbaria specimens from HBRA, IAN, MFS and MG, and collections made between 2014 and 2018. Overall, 470 species, 279 genera and 92 families were recorded. Of this total, 11 species are new records for coastal Pará. The families with the greatest number of species are Fabaceae, Cyperaceae, Poaceae, Myrtaceae, Rubiaceae, Asteraceae, Apocynaceae, Polygalaceae, Convolvulaceae and Melastomataceae, which correspond to 52% of the species. Cyperus, Eugenia, Rhynchospora, Eleocharis and Ipomoea are the most representative genera. For life forms, herbs and shrubs are predominant. Dune fields, restinga forest and herbaceous swamp are the phytophysiognomies with the greatest number of species. A comparison with restingas of northeastern Brazil showed that the flora surveyed is most similar to that of Maranhão, since many species of the Amazonian flora also occur in restingas in this state.

          Translated abstract

          Resumo O Pará possui um dos maiores litorais brasileiros. Entretanto, levantamentos florísticos foram realizados em poucas regiões e apenas um estudo avaliou de forma abrangente a flora costeira do estado. O presente estudo teve como objetivo fornecer um checklist atualizado e certificado das Angiospermas das restingas do Pará. A lista foi elaborada através de literatura de referência, revisões florístico-taxonômicas de grupos com ocorrência nas restingas paraenses, material dos herbários HBRA, IAN, MFS e MG e coletas entre 2014 e 2018. Foram listadas 470 táxons, 279 gêneros e 92 famílias. Deste total, 11 táxons são apresentados como novas ocorrências para o litoral paraense. As famílias com maior número de espécies foram Fabaceae, Cyperaceae, Poaceae, Myrtaceae, Rubiaceae, Asteraceae, Apocynaceae, Polygalaceae, Convolvulaceae e Melastomataceae, correspondendo a 52% dos táxons. Cyperus, Eugenia, Rhynchospora, Eleocharis e Ipomoea foram os gêneros mais representativos. Quanto às formas de vida, ervas e arbustos foram predominantes. Campo de dunas, Floresta de restinga e Brejo herbáceo foram as fitofisionomias com maior número de táxons. A comparação da flora encontrada, com a de restingas do Nordeste brasileiro, mostrou maior afinidade com a do Maranhão, com muitas espécies provenientes da flora amazônica colonizando as restingas desse estado.

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          Most cited references 71

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          Changes in Plant Community Diversity and Floristic Composition on Environmental and Geographical Gradients

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              An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG IV

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                Author and article information

                Journal
                rod
                Rodriguésia
                Rodriguésia
                Instituto de Pesquisas Jardim Botânico do Rio de Janeiro (Rio de Janeiro, RJ, Brazil )
                0370-6583
                2175-7860
                2021
                : 72
                Affiliations
                Belém PA orgnameMuseu Paraense Emílio Goeldi orgdiv1Coord. Botânica Brazil
                Belém Pará orgnameUniversidade Federal Rural da Amazônia orgdiv1Inst. Ciências Agrárias Brazil
                Belém PA orgnameMuseu Paraense Emilio Goeldi orgdiv1Prog. Pós-graduação em Biodiversidade e Biotecnologia do Norte-Bionorte Brazil
                Article
                S2175-78602021000100216 S2175-7860(21)07200000216
                10.1590/2175-7860202172021
                d13d7855-96d5-487e-ae54-aa1fd2c13b54

                This work is licensed under a Creative Commons Attribution 4.0 International License.

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                Figures: 0, Tables: 0, Equations: 0, References: 71, Pages: 0
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