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Taxonomic treatment of Connarus (Connaraceae) in the Brazilian Amazon

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Abstract

With approximately 75 species, about 50 of which occur in the Neotropics, Connarus is the largest genus of the pantropical family Connaraceae. It is morphologically separated from other genera of Connaraceae by its trifoliolate or imparipinnate leaves, perianth with glandular dots, a single carpel and dehiscent fruits. Here, we present an updated taxonomic treatment of Connarus in the Brazilian Amazon, based on herbarium material and field work. Morphological descriptions of 16 species, most of which are endemic to the Brazilian Amazon, are provided, along with new synonyms, identification keys, illustrations, taxonomic notes and information on geographic distributions and phenology.

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Acknowledgments

We thank CAPES for a scholarsip provided to the first author while developing his dissertation and FAPESP for a post-doctoral scholarship to the third author and for supporting a large-scale project in Connaraceae (process number 2019/03173-0). We also thank the Graduate Program in Plant Biology at UNICAMP and colleagues and co-workers at the ESA and UEC Herbaria who contributed directly or indirectly to our work. Finally, we are greatful to Narcísio C. Bígio and Renato Goldenberg for sharing some of their photographs, and Maíra Mezzacappa for the illustrations.

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Authors and Affiliations

  1. Programa de Pós-Graduação em Biologia Vegetal. Instituto de Biologia, Universidade Estadual de Campinas-UNICAMP, Rua Monteiro Lobato, 255, Campinas, SP, CEP: 13083-862, Brazil

    Cassio A. P. Toledo

  2. Departamento de Ciências Biológicas. Escola Superior de Agricultura “Luiz de Queiroz”-ESALQ, Universidade de São Paulo-USP, Av. Pádua Dias, 11, Piracicaba, SP, CEP: 13428-900, Brazil

    Vinicius Castro Souza

  3. Escola de Artes, Ciências e Humanidades, Universidade de São Paulo-EACH/USP, Rua Arlindo Béttio, 1000, São Paulo, SP, CEP: 03828-000, Brazil

    Rubens L. G. Coelho

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  1. Cassio A. P. Toledo
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  2. Vinicius Castro Souza
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  3. Rubens L. G. Coelho
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Correspondence to Cassio A. P. Toledo.

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Toledo, C.A.P., Souza, V.C. & Coelho, R.L.G. Taxonomic treatment of Connarus (Connaraceae) in the Brazilian Amazon. Brittonia 72, 181–213 (2020). https://doi.org/10.1007/s12228-020-09611-2

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  • DOI: https://doi.org/10.1007/s12228-020-09611-2

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