Resumo

AYMARD C., Gerardo A.  e  CAMPBELL, Lisa M.. Moutabea chartacea (Polygalaceae), a new species from the north-central Amazon and Guayana Shield. Rev. acad. colomb. cienc. exact. fis. nat. [online]. 2018, vol.42, n.164, pp.132-136. ISSN 0370-3908.  https://doi.org/10.18257/raccefyn.642.

We describe and illustrate Moutabea chartacea from the wet lowland forests of Brazil (Amazonas state), Venezuela (Amazonas, Bolívar and Delta Amacuro states), and Colombia (Caquetá, Meta and Vaupés departments), and we discuss its morphological relationships with an allied species. This new species is similar to M. gentryi, but it differs by its smaller petioles, leaf blades, calyx lobes, fruit, and seeds; triangular bracts; petals not reflexed; and the seed densely covered by stellate trichomes. An updated key to the named species of Moutabea is provided.

Palavras-chave : Brazil; Colombia; Flora of the Venezuelan Guayana; Moutabea; Polygalaceae; Wet lowland forests.

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