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Sinningia lutea (Gesneriaceae), a new species from Southern Brazil

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Abstract

Sinningia lutea (Gesneriaceae) is described and illustrated as a new species from the Pampa Biome, in Southern Brazil. In the literature, this species has hitherto been confused with S. allagophylla from which it can be easily separated using a set of floral and vegetative features (especially corolla color and size and leaf shape). An artificial key to separate S. lutea from S. allagophylla and S. curtiflora (another sympatric species, with some morphological similarities) is presented. Some ecological remarks on the differential distribution of S. lutea and S. allagophylla are also made.

Resumo

Sinningia lutea (Gesneriaceae) é descrita e ilustrada como uma espécie nova para a ciência, provinda do Bioma Pampa, no Sul do Brasil. Na literatura local precedente, esta espécie tem sido confundida com S. allagophylla, espécie da qual pode ser facilmente separada utilizando um conjunto de caracteres de morfologia floral e vegetativa (especialmente a cor e o tamanho da corola e o formato das folhas). Se fornece uma chave dicotômica artificial para separar S. lutea de S. allagophylla e S. curtiflora (outra espécie simpátrica com algumas semelhanças morfológicas). Efetuam-se também algumas considerações ecológicas sobre a distribuição geográfica diferenciada de S. lutea e S. allagophylla.

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Acknowledgments

The authors are grateful to Pedro M. A. Ferreira for helping in statistical analysis, Rafael Trevisan for Latin revision and the curators of the following herbaria for facilitating loans (ICN, PACA, RSPF, HAS, K and P). The first author thanks CAPES (Coordenadoria de Aperfeiçoamento do Pessoal de Nível Superior) for his scholarship. Collecting permits were given by IBAMA/ICMBIO (process n: 15451–1 and 24004–1).

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Authors and Affiliations

  1. Programa de Pós-graduação em Botânica, Departamento de Botânica, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves 9500, Bloco IV, Prédio 43433, Campus do Vale, Bairro Agronomia, CEP 91501-970, Porto Alegre, RS, Brazil

    Cristiano Roberto Buzatto

  2. Departamento de Botânica, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves 9500, Bloco IV, Prédio 43433, Campus do Vale, Bairro Agronomia, CEP 91501-970, Porto Alegre, RS, Brazil

    Rodrigo B. Singer

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  1. Cristiano Roberto Buzatto
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  2. Rodrigo B. Singer
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Correspondence to Cristiano Roberto Buzatto.

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Buzatto, C.R., Singer, R.B. Sinningia lutea (Gesneriaceae), a new species from Southern Brazil. Brittonia 64, 108–113 (2012). https://doi.org/10.1007/s12228-011-9209-x

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