Systematic Studies in the Neotropical Tribe Marcetieae

Rocha, Maria José Reis da; Silva, Diego Nunes da; Guimarães, Paulo José Fernandes

doi:10.1007/978-3-030-99742-7_20

Systematics, Evolution, and Ecology of Melastomataceae 2022

DOI: 10.1007/978-3-030-99742-7_20

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Systematic Studies in the Neotropical Tribe Marcetieae

Maria José Reis da Rocha

Diego Nunes da Silva²,

Paulo José Fernandes Guimarães³

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2024

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Cited by 2 publications

(2 citation statements)

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“…is a Neotropical genus of Melastomataceae with 35-40 species, of which at least 31 occur in the mountains of Chapada Diamantina in northeastern Brazil (Martins 1989;Santos 2023;Pacifico and Almeda 2022b;Almeda et al in press). It is the largest genus in the tribe Marcetieae, a Neotropical clade of the family that includes 19 other genera (Rocha et al 2018(Rocha et al , 2022.…”

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“…Within Marcetieae, Marcetia can be recognized by its 4-merous flowers, isomorphic to subisomorphic stamens, yellow erostrate anther thecae, and anther connectives that are ventrally thickened at the base but lack free appendages (Martins 1989;Santos 2023;Rocha et al 2018Rocha et al , 2022. The last comprehensive taxonomic study of Marcetia is the monograph of Martins (1989).…”

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A Phylogenetic Analysis of Marcetia (Melastomataceae, Marcetieae) and Three New Sprawling Species from Bahia, Brazil

Pacifico,

Almeda,

Kriebel

2023

Systematic Botany

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Abstract— Three new species of the Neotropical genus Marcetia are described and illustrated: Marcetia barbadensis, Marcetia minima, and Marcetia serratifolia. The three species are known from small isolated populations in mountains of the Chapada Diamantina, Bahia, Brazil. The recognition of Marcetia barbadensis and Marcetia serratifolia is confirmed with an updated molecular phylogeny of the tribe Marcetieae (based on ETS, ITS, accD-psaI, atpF-atpH, trnS-trnG, psbK-psbL, ndhF and rbcL), and by morphological and morphometric studies. In turn, the recognition of Marcetia minima, a new species known only from the type gathering collected about 30 yr ago, is based on analyses of leaf and anther connective shape, as well as linear measurements of vegetative and reproductive structures. Based on the new phylogenetic hypothesis for Marcetieae, we reconstructed the evolution of habit and petal color in the tribe, and showed that prostrate plants and white flowers evolved repeatedly from ancestors with an erect habit and pink to magenta petals. We also provide notes on the intergeneric relationships and phylogeny of Marcetia and evaluate the generic placement of the recently described Acisanthera saxatilis.

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confidence: 99%

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confidence: 99%

A Phylogenetic Analysis of Marcetia (Melastomataceae, Marcetieae) and Three New Sprawling Species from Bahia, Brazil

Pacifico,

Almeda,

Kriebel

2023

Systematic Botany

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A New Marcetia (Melastomataceae) from Chapada Diamantina, Bahia, Brazil

Almeda,

Pacifico,

Fidanza

2024

Rhodora

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Systematic Studies in the Neotropical Tribe Marcetieae

Cited by 2 publications

References 45 publications

A Phylogenetic Analysis of Marcetia (Melastomataceae, Marcetieae) and Three New Sprawling Species from Bahia, Brazil

A Phylogenetic Analysis of Marcetia (Melastomataceae, Marcetieae) and Three New Sprawling Species from Bahia, Brazil

A New Marcetia (Melastomataceae) from Chapada Diamantina, Bahia, Brazil

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