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Type: Article
Published: 2016-02-10
Page range: 145–151
Abstract views: 27
PDF downloaded: 1

A new and unusual amphistomatic species of Tibouchina (Melastomeae, Melastomataceae) from Brazil

Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, DIPEQ, Rua Pacheco Leão 915, 22460-030, Rio de Janeiro, RJ, Brazil.
Herbarium, Royal Botanic Gardens, Kew, Richmond, Surrey, TW9 3AE, UK.
Mato Grosso Xingu State Park Eudicots Brazil

Abstract

Tibouchina rosanae, a new species of Melastomataceae (Melastomeae) from the state of Mato Grosso, Brazil, is described, illustrated and compared to its putative closest allied. It is characterized mainly by the inflorescence that is lax. Tibouchina rosanae is an amphistomatic species, and the presence of stomata on the adaxial leaf surface is reported here for the first time in the genus.