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Revision of the Neotropical fern genus Eupodium (Marattiaceae)

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Summary

Previous studies on the classification of Marattiaceae have shown that the Neotropical species of Marattia are to be divided into two genera: Marattia Sw. and Eupodium J. Sm. Morphological studies show that the latter genus consists of three geographically isolated species: Eupodium laevis in the Greater Antilles, E. pittieri in Central America and Andean South America, and E. kaulfussii in southern Brazil. This paper revises the taxonomy of the genus Eupodium. One new combination is made and a key, descriptions and a distribution map are provided.

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Notes

  1. If Eupodium kaulfussii were treated under Marattia then Marattia raddiana (1834) would take priority over M. kaulfussii (1839).

  2. Maxon (1914) stated that this taxon differs from E. kaulfussii by its enormous size and larger, differently shaped segments. E. pittieri is indeed larger in stature than E. kaulfussii but the segment size and shape are within the variability of both species.

References

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Acknowledgements

Thanks are due to Jefferson Prado, Claudine Mynssen, Samuli Lehtonen and Pedro Bond Schwartzburt for their help and company during the field work in Brazil. I also thank the curators of several herbaria (AAU, B, BM, DUKE, IJ, MAPR, PR, RB, S, SJ, SP, TUR, U, UPCB, W), who made their material available for study. Additionally, I thank Claes Persson for permission to reproduce Fig. 2 from the Flora of Ecuador.

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  1. Department of Biology, The Natural History Museum, Cromwell Road, London, SW7 5BD, UK

    Maarten J. M. Christenhusz

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  1. Maarten J. M. Christenhusz
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Correspondence to Maarten J. M. Christenhusz.

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Accepted for publication January 2010.

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Christenhusz, M.J.M. Revision of the Neotropical fern genus Eupodium (Marattiaceae). Kew Bull 65, 115–121 (2010). https://doi.org/10.1007/s12225-010-9178-3

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