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New species, nomenclatural changes and lectotypifications in Neotropical Lepidagathis Willd. (Acanthaceae)

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Summary

Taxonomic and phylogenetic studies of the Neotropical genus Lophostachys showed that it is congeneric with Lepidagathis. The following new combinations of species previously described under Lophostachys are proposed: Lepidagathis chiapensis (Acosta) Kameyama, L. cyanea (Leonard) Kameyama, L. guatemalensis (Donn. Sm.) Kameyama, L. laxifolia (Nees) Kameyama, L. montana (Nees) Kameyama, L. nemoralis (Mart. ex Nees) Kameyama, L. soconuscana (T. F. Daniel) Kameyama, and L. uxpanapensis (Acosta) Kameyama. Five new species are described: Lepidagathis callistachys, L. cuneiformis, L. meridionalis, L. paraensis and L. wasshausenii. Three lectotypes are also designated. A key to the Neotropical secundiflorous species is provided.

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Acknowledgements

This work is part of my Doctoral dissertation that was carried out at the Instituto de Biociências of the Universidade de São Paulo, Brazil. I thank CNPq for my PhD scholarship; Fundação Botânica Margaret Mee for a grant for field work; the Smithsonian Institution for a Short Term Visitor Grant; the curators of all the herbaria who made possible my study; my advisor Dr José Rubens Pirani; Dr Dieter Wasshausen who has generously helped me as an expert in Neotropical Acanthaceae and for comments on manuscript; Emiko Naruto (in memoriam) for the beautiful line drawings; the Acanthaceae experts Cecília Ezcurra, Salvador Acosta, Thomas Daniel for information about the species and other suggestions, Sheila Profice, Dominique Champluvier, and Kaj Vollesen for help during my visits to herbaria RB, BR and K, respectively; Jefferson Prado for the latin diagnoses; Maria Amélia Cruz-Barros for the help with pollen studies; and the two anonymous referees for the corrections and suggestions.

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Correspondence to Cíntia Kameyama.

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Kameyama, C. New species, nomenclatural changes and lectotypifications in Neotropical Lepidagathis Willd. (Acanthaceae). Kew Bull 63, 565–581 (2008). https://doi.org/10.1007/s12225-008-9066-2

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