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Kew Bulletin

, Volume 63, Issue 3, pp 441–448 | Cite as

Taxonomic notes on Pogonieae (Orchidaceae): Cleistesiopsis, a new genus segregated from Cleistes, and description of two new South American species, Cleistes batistana and C. elongata

  • Emerson R. Pansarin
  • Fábio de Barros
Article

Summary

A new genus, Cleistesiopsis, was segregated from Cleistes based on morphological and molecular characteristics, and two new species of Cleistes: C. batistana and C. elongata, both occurring in the Brazilian Central Plateau (Central-Western Brazil), are described and illustrated. Furthermore, a key to genera currently recognised within Pogonieae is presented.

Key words

Cleistes Cleistesiopsis Orchidaceae Pogonieae Vanilloideae 

Resumo

Um novo gênero, Cleistesiopsis, é segregado de Cleistes com base em caracteres morfológicos e moleculares, e duas novas espécies de Cleistes: C. batistana e C. elongata, que ocorrem no Planalto Central, no Centro-Oeste do Brasil, são descritas e ilustradas. Além disso, uma chave para os gêneros que atualmente compõem a tribo Pogonieae é apresentada.

Notes

Acknowledgements

The authors thank the curator of herbarium CEN for specimens of Cleistes batistana and C. elongata loans, Marlies Sazima for suggestions, Alain François for improving the English and Ricardo A. Lourenço for the illustrations. This study is part of the Doctoral thesis of the first author at the Department of Botany, Post-graduation in Plant Biology, Campinas State University, São Paulo, Brazil. Financial support was provided by FAPESP (Foundation for Research Support from the State of São Paulo — grant 00/11015–9). F. Barros thanks CNPq (Brazilian National Council for Scientific and Technological Research) for the grant received (# 303962/2004–6).

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Copyright information

© The Board of Trustees of the Royal Botanic Gardens, Kew 2008

Authors and Affiliations

  1. 1.Departamento de Botânica, Instituto de BiologiaUniversidade Estadual de CampinasCampinasBrazil
  2. 2.Instituto de BotânicaSão PauloBrazil
  3. 3.Departamento de Biologia, FFCLRPUniversidade de São PauloRibeirão PretoBrazil

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