Floral biology of candeia (Eremanthus erythropappus, Asteraceae)

Authors

  • Fábio de Almeida Vieira Federal University of Rio Grande do Norte image/svg+xml
  • Cristiane Gouvêa Fajardo Federal University of Rio Grande do Norte image/svg+xml
  • Dulcinéia de Carvalho Federal University of Lavras image/svg+xml

DOI:

https://doi.org/10.4336/2012.pfb.32.72.477

Keywords:

Anthesis, Pollen viability, Floral visitors, Essential oil

Abstract

Floral biology and pollinators of candeia (Eremanthus erythropappus) were analyzed in a natural population. We studied anthesis, flower morphology, stigmatic receptivity, pollen viability and floral visitors. The small flowers (10.17 mm in length) are pink, hermaphrodites and organized in dense capitula (mean = 29 flowers). We observed a large percentage of viable pollen (77.25%) and relatively scarce nectar availability for floral visitors (0.63 μL). The bees Apis mellifera and Trigona sp. were the most frequent visitors. The length of the bud, style and flowers varied significantly among plants.

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Author Biographies

  • Fábio de Almeida Vieira, Federal University of Rio Grande do Norte
    Professor Adjunto, Unidade Acadêmica Especializada em Ciências Agrárias, Engenharia Florestal.
  • Cristiane Gouvêa Fajardo, Federal University of Rio Grande do Norte
     Doutoranda em Ecologia, Mestre em Agronomia (Genética e Melhoramento de Plantas) pela Universidade Federal de Lavras, MG (UFLA). Atualmente é doutoranda em Ecologia pela Universidade Federal do Rio Grande do Norte, RN (UFRN).
  • Dulcinéia de Carvalho, Federal University of Lavras
    Professora Associada, Doutora em Microbiologia Florestal - École Nationale de Génie Rurale Des Eaux et Des Forêts (e pós-doutorado no Royal Botanic Gardens Kew, Inglaterra). Departamento de Ciências Florestais.

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Published

2012-12-17

Issue

Vol. 32 No. 72 (2012): out./dez.

Section

Scientific Notes

License

Copyright (c) 2012 Fábio de Almeida Vieira, Cristiane Gouvêa Fajardo, Dulcinéia de Carvalho

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How to Cite

VIEIRA, F. DE A.; FAJARDO, C. G.; CARVALHO, D. DE. Floral biology of candeia (Eremanthus erythropappus, Asteraceae). Pesquisa Florestal Brasileira, v. 32, n. 72, p. 477, 17 Dec.2012.

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