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Three new species of Octomeria (Orchidaceae: Pleurothallidinae) from northern South America

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Summary

Three new species of Octomeria (Orchidaceae: Pleurothallidinae) from northern South America are proposed: O. platytylis from Bolivar State in Venezuelan montane forests, O. subcallosa from Ecuador and Suriname and O. tellina from La Paz State in Bolivian yungas forests. The species differ by a combination of vegetative and floral characters, among which are the shape of the leaves and, particularly the morphology of the lip.

Resumo

Três novas espécies de Octomeria (Orchidaceae: Pleurothallidinae) do norte da América do Sul são propostas neste artigo: O. platytylis, do estado de Bolívar nas florestas montanas venezuelanas; O. subcallosa, das florestas do Equador e Suriname, e O. tellina da Bolívia, Estado de La Paz nas florestas denominadas yungas. As espécies diferem por uma combinação de caracteres vegetativos e florais, entre os quais destacam-se o formato das folhas e, especialmente, a morfologia do labelo.

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References

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Acknowledgements

The authors are grateful to Conselho Nacional de Desenvolvimento Científico e Tecnologico (CNPq) for the grant (Process nr. 141419/2003-2) for the first author; the New York Botanical Garden for the Orchid Research Fund Program and Oakes Ames Orchid Herbarium of Harvard University for support that allowed the first author to spend a research period at NY and AMES and to the herbaria keepers for making specimens available, including types, especially F, MO, SEL and US. We are also grateful to the anonymous reviewers who provided useful comments on the manuscript.

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Authors and Affiliations

  1. Universidade Estadual de Campinas, Instituto de Biologia, Departamento de Biologia Vegetal, Caixa Postal 6109, Campinas, São Paulo, 13083-970, Brazil

    Wellington Forster

  2. Universidade de São Paulo, Escola Superior de Agricultura Luiz de Queiroz, Departamento de Ciências Biológicas, Caixa Postal 09, Piracicaba, São Paulo, 13418-915, Brazil

    Vinicius Castro Souza

  3. Instituto de Botânica, Caixa Postal 68041, São Paulo, São Paulo, 04045-972, Brazil

    Fábio de Barros

Authors
  1. Wellington Forster
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  2. Vinicius Castro Souza
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  3. Fábio de Barros
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Correspondence to Wellington Forster.

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Forster, W., Souza, V.C. & de Barros, F. Three new species of Octomeria (Orchidaceae: Pleurothallidinae) from northern South America. Kew Bull 67, 487–493 (2012). https://doi.org/10.1007/s12225-012-9394-0

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  • DOI: https://doi.org/10.1007/s12225-012-9394-0

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