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Type: Artigo de periódico
Title: Three new Brazilian species in the genus Marcetia (Melastomataceae, Melastomeae)
Author: Martins, AB
Abstract: Three new species of Marcetia are described and illustrated. Marcetia semiriana occurs only in Serra do Cip6, Minas Gerais. Marcetia shepherdii, collected in Marau, at sea level, and M. lychnophoroides, from Chapada Diamantina, are both endemic to Bahia. The new species il Marcetia shepherdii and M. lychnophoroides, together with ill. luetzelburgii Markgraf, constitute a group of closely related species. They share in common subcoriaceous, fleshy, imbricate to subimbricate, revolute leaves. Marcetia shepherdii is distinguished by its rigid, erect branchlets, yellowish green leaves that are glabrous on the adaxial surface, unappendaged and broadly dilated connectives, linear-oblong thecae with a ventrally inclined pore, and a unique 2-locular ovary, Marcetia lychnophoroides has velutinous to sublanate branchlets, cinereous-green leaves that are densely puberulous-sericeous on the abaxial surface, unprolonged and inconspicuously bilobulate connectives, and a 3- or 4-locular ovary. Marcetia semiriana is very similar to M. taxifolia (A. Saint-Hilaire) DC., differing in the prostrate branches, long pedunculate flowers, and straight anthers.
Country: EUA
Editor: Missouri Botanical Garden
Rights: aberto
Identifier DOI: 10.2307/3393104
Date Issue: 2000
Appears in Collections:Unicamp - Artigos e Outros Documentos

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