A Guide to Curating New World Melastomataceae Collections with a Linear Generic Sequence to World-Wide Melastomataceae

Michelangeli, Fabián A.; Almeda, Frank; Goldenberg, Renato; Penneys, Darin S.

doi:10.20944/preprints202010.0203.v1

Cited by 16 publications

(15 citation statements)

References 68 publications

(122 reference statements)

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“…Among the over 5700 species in ca. 177 genera (Renner, 1993; Christenhusz & Byng, 2016; Michelangeli & al., 2020) are trees, shrubs, subshrubs, geophytes, true epiphytes, perennial and annual herbs, and various forms of woody climbers, such as root climbers and scrambling shrubs. While the former climbing growth forms evolved in various melastome genera, the last is rare and seems to be restricted to the paleotropical subtribe Dissochaetinae (Clausing & Renner, 2001a).…”

Section: Introductionmentioning

confidence: 99%

Molecular phylogenetics of the Dissochaeta alliance (Melastomataceae): Redefining tribe Dissochaeteae

Kartonegoro

Veranso‐Libalah

Kadereit

et al. 2021

TAXON

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The Dissochaeta alliance (= subtribe Dissochaetinae) is a group of woody climbing taxa within tribe Dissochaeteae (Melastomataceae) and comprises 90 species mainly distributed in Southeast Asia. The circumscription of the alliance and its genera has been problematic when based on only morphological characters. With a broad sampling of relevant taxa, this study aims at a natural circumscription of and revised generic delimitation within this alliance. A molecular phylogeny based on two nuclear (nrETS, nrITS) and four chloroplast (ndhF, psbK‐psbL, rbcL, rpl16) markers confirmed the non‐monophyly of Dissochaeteae s.l. Taxa traditionally placed in Dissochaeteae are found in three lineages in distant positions within Melastomataceae. The Medinilla alliance is resolved within Sonerileae + Oxysporeae, while the monophyletic Dinophora/Ochthocharis lineage forms a polytomy with Marcetieae, Melastomateae, Microlicieae, and Rhexieae; and the well‐supported Dissochaeta alliance is sister to Cambessedesieae. Based on the molecular results, Dissochaeteae is redefined to exclude the Medinilla alliance and Dinophora/Ochthocharis. It consists of six successively branching major clades, which we treat as six genera, Pseudodissochaeta, Creochiton, Dalenia (Dissochaeta sect. Dalenia), Diplectria (Dissochaeta sect. Diplectria), Macrolenes and Dissochaeta s.str. To avoid a paraphyletic Dissochaeta, Dalenia and Diplectria are resurrected, Macrolenes is expanded to include the Dissochaeta rostrata complex, and a narrowly circumscribed Dissochaeta s.str. is adopted. A re‐investigation of morphological characters based on herbarium material provides support of newly defined taxa. Two sections for Macrolenes are newly proposed, and two sections of Dissochaeta s.str. are maintained. Important morphological traits such as habit and floral characters are discussed to show the morphological support for each delimited genus and the establishment of a new classification of the tribe.

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Section: Introductionmentioning

confidence: 99%

Molecular phylogenetics of the Dissochaeta alliance (Melastomataceae): Redefining tribe Dissochaeteae

Kartonegoro

Veranso‐Libalah

Kadereit

et al. 2021

TAXON

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“…Melastomataceae, the tenth most diverse angiosperm family in the world, comprise 177 genera and ca. 5,750 species distributed mostly in tropical and subtropical regions (Michelangeli et al 2020). In Brazil, it is the sixth largest family of angiosperms, with 1,436 species in 69 genera (Goldenberg et al 2012;BFG 2018) that occur in all phytogeographic domains except Pampa and Caatinga sensu stricto (Baumgratz et al 2006).…”

Section: Introductionmentioning

confidence: 99%

The genus Ipomoea (Convolvulaceae) in the state of Rio Grande do Norte, Brazil

2023

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Melastomataceae are the tenth most diverse angiosperm family in the world and the sixth largest angiosperm family in Brazil. Among the ecosystems associated with the Atlantic Forest, restinga comprises different phytophysiognomies where this family is a conspicuous element. Parque Estadual Paulo César Vinha (PEPCV) is an important area of restinga with various phytophysiognomies and serves as an interesting model for taxonomic studies about Melastomataceae. Thus, from October 2017 to April 2019, we conducted a taxonomic study of the family in this protected area and made ecological observations that have never been discussed for the group in this environment. We recorded 14 species and a preference for open, humid areas. The richest genera were Miconia and Pleroma. In addition to morphological and habitats information, we recorded three new occurrences for this protected area.

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“…Melastomataceae is one of the largest families of angiosperms, represented by about 5750 species distributed in 177 genera [1,2], occurring in tropical and subtropical regions around the world [3]. In Brazil, Melastomataceae is the fifth largest family, in terms of Molecules 2022, 27, 4132 2 of 12 diversity of species, with Miconia Ruiz & Pav., Leandra Raddi, and Tibouchina Aubl.…”

Section: Introductionmentioning

confidence: 99%

The Genus Miconia Ruiz & Pav. (Melastomataceae): Ethnomedicinal Uses, Pharmacology, and Phytochemistry

et al. 2022

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Species of the genus Miconia are used in traditional medicine for the treatment of diseases, such as pain, throat infections, fever, and cold, and they used as depuratives, diuretics, and sedatives. This work reviewed studies carried out with Miconia species, highlighting its ethnomedicinal uses and pharmacological and phytochemical potential. This information was collected in the main platforms of scientific research (PubMed, Scopus, and Web of Science). Our findings show that some of the traditional uses of Miconia are corroborated by biological and/or pharmacological assays, which demonstrated, among other properties, anti-inflammatory, analgesic, antimutagenic, antiparasitic, antioxidant, cytotoxic, and antimicrobial activities. A total of 148 chemical compounds were identified in Miconia species, with phenolic compounds being the main constituents found in the species of this genus. Such phytochemical investigations have demonstrated the potential of species belonging to this genus as a source of bioactive substances, thus reinforcing their medicinal and pharmacological importance.

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A Guide to Curating New World Melastomataceae Collections with a Linear Generic Sequence to World-Wide Melastomataceae

Cited by 16 publications

References 68 publications

Molecular phylogenetics of the Dissochaeta alliance (Melastomataceae): Redefining tribe Dissochaeteae

Molecular phylogenetics of the Dissochaeta alliance (Melastomataceae): Redefining tribe Dissochaeteae

The genus Ipomoea (Convolvulaceae) in the state of Rio Grande do Norte, Brazil

The Genus Miconia Ruiz & Pav. (Melastomataceae): Ethnomedicinal Uses, Pharmacology, and Phytochemistry

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