Paulo José Fernandes Guimarães

Rostranthera is a monotypic genus of flowering plants belonging to the family Melastomataceae. The only species is Rostranthera tetraptera. Its native range is Suriname to Northern Brazil.

Pleroma francavillanum is a species of flowering plant in the family Melastomataceae, native to Brazil. It was first described by Alfred Cogniaux in 1885 as Tibouchina francavillana.

Andesanthus lepidotus, synonym Tibouchina lepidota, also known as alstonville, Andean princess flower, lasiandra, or glory bush, is a medium-sized ornamental tree or a large shrub native to northwestern South America that is cultivated for its masses of purple flowers from autumn right through to winter.

Pleroma urvilleanum, synonym Tibouchina urvilleana, is a species of flowering plant in the family Melastomataceae, native to Brazil. Common names include: The specific epithet urvilleanum commemorates the 19th-century French explorer and botanist Jules Dumont d'Urville.

Chaetogastra versicolor is a species of flowering plant in the family Melastomataceae, native to Brazil. It was first described by John Lindley in 1827 as Rhexia versicolor. One of its synonyms is Tibouchina versicolor. Chaetogastra versicolor has flowers with four petals and eight stamens, rather than five and ten as in many other species of Chaetogastra. The petals are white, turning pink as they age. The leaves are reddish underneath.

Chaetogastra herbacea, synonym Tibouchina herbacea, is a species of flowering plant in the family Melastomataceae, native to southern Brazil and north-eastern Argentina. It has been introduced to Hawaii. It was first described, as Arthrostemma herbaceum, by Augustin de Candolle in 1828.

Chaetogastra cornuta is a species of Chaetogastra found in La Paz, Bolivia.

Andesanthus is a genus of flowering plant in the family Melastomataceae, native to Colombia, Costa Rica, Ecuador, Panama, Peru and Venezuela. The genus was established in 2019 for some species formerly placed in Tibouchina. Some species are cultivated as ornamental shrubs or trees.

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Tibouchina nigricans is a species of flowering plant in the family Melastomataceae, native to west-central Brazil. It was first described in 2015 with the name attributed to the earlier botanist Alfred Cogniaux. The type specimens are kept at the Missouri Botanical Gardens and at Botanischer Garten und Botanisches Museum Berlin-Dahlem, Berlin.

Tibouchina bruniana is a species of flowering plant in the family Melastomataceae, native to Brazil. It was first described in 2014. Distinguishing characteristics of Tibouchina bruniana are the solitary flowers (occasionally in dichasia) and the small leaves (less than 2.5 cm long). The anthers have long, simple trichomes which led to this species being placed in the section Barbigerae. This shrub is found in cerrado vegetation, growing in compacted soil and in swampy areas at around 1,100 metres. The species is only known from one population growing close to a nickel mine in the Brazilian

Tibouchina araguaiensis is a species of flowering plant in the family Melastomataceae, native to north Brazil. It was first described by Paulo J.F. Guimarães in 2014.

Pleroma pereirae is a species of flowering plant in the family Melastomataceae, native to Brazil. It was first described in 1961 as Tibouchina pereirae.

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Pleroma ackermannii is a species of flowering plant in the family Melastomataceae, native to Brazil. It was first described in 1885 as Tibouchina ackermannii.

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