Brittonia

, Volume 70, Issue 1, pp 60–64 | Cite as

Rhynchospora rheophytica (Cyperaceae), a new species from western Bahia, Brazil

  • William Wayt Thomas
  • Pedro Joel Silva da Silva Filho
Article
  • 65 Downloads

Abstract

A new species of Rhynchospora section Tenues, from western Bahia, Brazil, is described, illustrated, and compared to related species.

Keywords

Bahia Cyperaceae Rhynchospora taxonomy 

Resumo

Uma nova espécie de Rhynchospora secção Tenues, do oeste da Bahia, Brasil, é descrita, ilustrada e comparada com espécies relacionadas.

Notes

Acknowledgments

We thank the John D. and Catherine T. MacArthur Foundation for their generous support which made possible the collection of this species. Bobbi Angel perfectly illustrated the specimen. We thank the curator of CEPEC for providing an image of the holotype. We thank the Jayne and Leonard Abess Foundation for making possible the purchase of the Nikon SMZ microscope and the focus stacking software used to prepare Fig. 2.

Literature cited

  1. Araújo, A. C. 2009. Rhynchospora. Pages 125–153. In: T. B. Cavalcanti and M. F. Batista. (orgs.). Flora do Distrito Federal, Brasil. vol. 7. Brasília, D.F. Embrapa Recursos Genéticos e Biotecnologia, Brasília.Google Scholar
  2. Buddenhagen, C. E., W. W. Thomas & A. R. Mast. 2017. A first look at diversification of beaksedges (Tribe Rhynchosporeae; Cyperaceae) in habitat, pollination and photosynthetic features. Memoirs of the New York Botanical Garden 128: 113–126.Google Scholar
  3. IBGE. 2004. Instituto Brasileira de Geografia e Estatística, Diretoria de Geociências. Brasília, Brazil. ftp://geoftp.ibge.gov.br/informacoes_ambientais/vegetacao/mapas/brasil/vegetacao.pdf.
  4. IUCN. 2016. The IUCN Red List of Threatened Species. Version 2015-4. At www.iucnredlist.org. Viewed on 22 June 2016.
  5. Koyama, T. 1972. Cyperaceae–Rhynchosporeae and Cladieae. In: B. Maguire, J. J. Wurdack and Collaborators. The botany of the Guayana Highland—Part IX. Memoirs of the New York Botanical Garden 23: 23–89.Google Scholar
  6. Kral, R. 2002. Rhynchospora. Pp. 200–239. In: Flora North America Editorial Committee (ed.), Flora of North America North of Mexico, Volume 23 Magnoliophyta: Commelinidae (in part): Cyperaceae. Oxford University Press, New York.Google Scholar
  7. Kükenthal, G. 1949. Vorarbeiten zu einer Monographie der Rhynchosporoideae. Rhynchospora. Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 74: 375–509.Google Scholar
  8. ——— . 1950. Vorarbeiten zu einer Monographie der Rhynchosporoideae. Rhynchospora. Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 75: 90–126, 127–195.Google Scholar
  9. ———. 1951. Vorarbeiten zu einer Monographie der Rhynchosporoideae. Rhynchospora. Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 75: 273–314.Google Scholar
  10. Luceño, M., Alves, M. V. and Mendes, A. P. 1997. Catálogo Florístico y Claves de Identificación de las Cyperáceas de los Estados de Paraíba y Pernambuco (Nordeste de Brasil). Anales Jardín Botánico ede Madrid, 55: 67–100.Google Scholar
  11. Nunes, I. R. and Prata, A. P. N. 2013. Rhynchospora. Pp. 190–201. In: A.P.N. Prata et al. (eds.), Flora de Sergipe, vol. 1. Gráfica e Editora Triunfo, Aracaju, Sergipe.Google Scholar
  12. Rocha, E. A. and Luceño, M. 2002. Estudo taxonômico de Rhynchospora Vahl Seção Tenues (Cyperaceae) no Brasil. Hoehnea 29: 189–214.Google Scholar
  13. Simpson, D. 1995. Cyperaceae. Pp. 661–682. In: Stannard, B.L. (ed.) Flora of the Pico das Almas, Chapada Diamantina—Bahia, Brazil. Royal Botanic Gardens, Kew.Google Scholar
  14. Steenis, C. G. G. J. van. 1987. Rheophytes of the World: Supplement. Allertonia 4: 267–330.Google Scholar
  15. Strong, M. T. 2006. Taxonomy and Distribution of Rhynchospora (Cyperaceae) in the Guianas, South America. Contributions from the United States National Herbarium 53: 1–225.Google Scholar
  16. Thomas, W. W. 1994. Rhynchospora, Cyperaceae. Pp. 404–422. In: G. Davidse, M. Sousa S. and A. O. Chater (general eds.), Flora Mesoamericana, Volumen 6, Alismataceae to Cyperaceae. Instituto de Biología, Universidad Nacional Autónoma de México, México.Google Scholar
  17. ———. 1998. Rhynchospora (Cyperaceae). Pages 610–629. In: J. A. Steyermark, P. E. Berry, and B. K. Holst (eds.). Flora of the Venezuelan Guayana—Volume 4, Caesalpiniaceae–Ericaceae. Missouri Botanical Garden Press, St. Louis.Google Scholar

Copyright information

© The New York Botanical Garden 2017

Authors and Affiliations

  • William Wayt Thomas
    • 1
  • Pedro Joel Silva da Silva Filho
    • 2
  1. 1.The New York Botanical GardenBronxUSA
  2. 2.Universidade Federal de Rio Grande do SulPorto AlegreBrazil

Personalised recommendations