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×Cyclobotrya: A new hybrid genus between Cyclodium and Polybotrya (Dryopteridaceae) from the Brazilian Amazon

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Abstract

× Cyclobotrya telespirensis, a new hybrid and new hybrid fern genus, is described from the margin of the Teles Pires River in southern Brazilian Amazon. The new nothotaxon is derived from the cross between Polybotrya goyazensis and Cyclodium meniscioides var. meniscioides. This is the first report of hybridization between Cyclodium and Polybotrya. It represents a rare instance of an intergeneric hybrid in ferns. We present illustrations, a description, and taxonomic and ecologic comments of the new nothotaxon.

Resumo

× Cyclobotrya telespirensis, um novo híbrido e novo gênero híbrido são descritos, originário das margens do rio Teles Pires, no sudeste da Amazônia brasileira. O novo nototáxon é derivado do cruzamento entre Polybotrya goyazensis e Cyclodium meniscioides var. meniscioides. Este é o primeiro registro de hibridização entre os gêneros Cyclodium e Polybotrya e um raro caso de hibridização intergenérica em samambaias. São apresentados ilustrações, descrição e comentários taxonômicos e ecológicos a respeito do novo nototáxon.

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Acknowledgements

We thank the Companhia Paranaense de Energia (COPEL) for permitting and encouraging the publication of the present data, and the CIA-Juris consortium and its collaborators. We thank Robbin C. Moran for his kind support and for answering questions during the writing of this manuscript, and Emanuelle Santos for assistance with laboratory equipment. We also thank two anonymous reviewers of the manuscript.

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Authors and Affiliations

  1. Assessoria Técnica Ambiental Ltda., Rua Marechal José Bernardino Bormann, 821, Batel, Curitiba, Paraná, 80730-350, Brazil

    Mathias Erich Engels

  2. Juris Ambientis Consultores S/S Ltda., Rua Estados Unidos, 2160, Boa Vista, Curitiba, Paraná, 82540-030, Brazil

    Bianca Kalinowski Canestraro

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  1. Mathias Erich Engels
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  2. Bianca Kalinowski Canestraro
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Correspondence to Bianca Kalinowski Canestraro.

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Engels, M.E., Canestraro, B.K. ×Cyclobotrya: A new hybrid genus between Cyclodium and Polybotrya (Dryopteridaceae) from the Brazilian Amazon. Brittonia 69, 307–312 (2017). https://doi.org/10.1007/s12228-017-9468-2

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