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A new species of Sauvagesia (Ochnaceae) from the Espinhaço range of Minas Gerais, Brazil

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Abstract

The new species Sauvagesia lagevianae is described, illustrated, and discussed. This species is morphologically similar to S. glandulosa, but can be easily distinguished by its unique umbellate inflorescence arising from a distinct peduncle on the branch apex. Other diagnostic characters to identify S. lagevianae are the nodding, campanulate corollas, bi-apiculate anthers, and the small and strongly imbricate leaves with fewer and ascending secondary veins. The new species is only known from two nearby localities of “campo rupestre” vegetation in the Espinhaço range of Minas Gerais, Brazil.

Resumo

A nova espécie Sauvagesia lagevianae é descrita, ilustrada e discutida. Esta espécie é morfologicamente relacionada à S. glandulosa, mas pode ser facilmente diferenciada pela sua inflorescência única, formada por uma umbela terminal sustentada por um pedúnculo distinto no ápice dos ramos. Outros caracteres diagnósticos para identificar S. lagevianae são as flores com corola pêndula e campanulada, anteras 2-apiculadas e as folhas pequenas e fortemente imbricadas ao longo do ápice dos ramos e com nervuras secundárias arqueadas e em menor número. A nova espécie é conhecida somente de duas localidades próximas de campo rupestre da Cadeia do Espinhaço em Minas Gerais, Brasil.

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Acknowledgments

I give my sincere thanks to the curators of the herbaria at BHCB, RB, and SPF for kindly sending material on loan. José R. Pirani, Fabiana Begale, and Jacquelyn Kallunki are thanked for sending images of the presumed second collection of the new species; Pedro L. R. de Moraes, Pedro L. Viana, and two anonymous reviewers for useful remarks on the manuscript; Cássio van den Berg for writing the Latin diagnosis; and Pedro L. Viana, Roberto M. Salas, Eric K. O. Hattori, and Fábio H. A. Bispo for helping in the field work. Pedro L. R. de Moraes and Marlon C. Machado helped me during my first attempt to collect the species, and Carla de Lima prepared the beautiful drawing. The author is supported by a PhD fellowship from CNPq (process 143116/2008-8).

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  1. Programa de Pós-graduação em Botânica, Universidade Estadual de Feira de Santana, Av. Transnordestina, s/n, Novo Horizonte, 44036-900, Feira de Santana, Bahia, Brazil

    Domingos Benício Oliveira Silva Cardoso

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  1. Domingos Benício Oliveira Silva Cardoso
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Correspondence to Domingos Benício Oliveira Silva Cardoso.

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Oliveira Silva Cardoso, D.B. A new species of Sauvagesia (Ochnaceae) from the Espinhaço range of Minas Gerais, Brazil. Brittonia 63, 150–155 (2011). https://doi.org/10.1007/s12228-010-9165-x

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