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Acta Amazonica

Print version ISSN 0044-5967On-line version ISSN 1809-4392

Acta Amaz. vol.6 no.1 Manaus Jan. 1976 


Revision and taxonomic position of the genus Euphronia Martius ex Martius & Zuccarini (Vochysiaceae)

Eduardo Lleras* 

*— Presently with the Instituto Nacional de Pesquisas da Amazônia. The research for this paper was done while at the New York Botanical Garden and with support from Pontificia Universidad Javeriana, Bogotá, Colombia. The present study was supported by National Science Foundation Grant GB 32575 x 3 in support of the Research of Dr. Ghillean T. Prance.


In this paper the generic name Euphronia Martius ex Martius & Zuccarini is recognized as the valid name for what has commonly been known as Lightia Rob, Schomburgk. The taxonomic position of the genus has been reconsidered, and Euphronia has been removed from the Trigoniaceae, and placed in the Vochysiaceae with which its affinities are closest. Only one species has been recognized, due to the high variability in size and shape of the leaves.


Nesta publicação o nome genérico Euphronia Martius ex Martius & Zuccarini é reconhecido como o nome válido para o que tem sido comumente conhecido como Lightia Rob. Schomburgk. A posição taxonômica do gênero tem sido reconsiderada, e Euphronia foi excluído das Triponiaceae, sendo inserido nas Vochysiaceae, família com a qual tem maior afinidade. Somente uma espécie foi reconhecida, devido a alta variabilidade na forma e tamanho das folhas.

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