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15 December 2015 Validation of the Names Tibouchina albescens and Tibouchina nigricans (Melastomataceae), Two New Species from Central Brazil
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Abstract

Two new species of Tibouchina from Central Brazil are described and illustrated and compared with their relatives. Tibouchina albescens is similar to T. verticillaris in its shrubby habit and leaf indumentum, but differs in having opposite leaves and peeling stem bark, and lacking trichomes. Tibouchina nigricans is similar to T. aegopogon in its habit, i.e. having only a single stem. Tibouchina nigricans differs from this species in its appressed-strigose, dendritic trichomes on the leaf abaxial surface. Comments on the taxonomy, geographical distribution, habitat and conservation status are provided, as well as a key to the species of Tibouchina s. s. from Goiás State.

© Copyright 2015 by the American Society of Plant Taxonomists
Ana Luiza Freitas Oliveira, Paulo José Fernandes Guimarães, and Rosana Romero "Validation of the Names Tibouchina albescens and Tibouchina nigricans (Melastomataceae), Two New Species from Central Brazil," Systematic Botany 40(4), 1003-1011, (15 December 2015). https://doi.org/10.1600/036364415X690049
Published: 15 December 2015
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