A phylogenetic evaluation of Leandra (Miconieae, Melastomataceae): a polyphyletic genus where the seeds tell the story, not the petals
Identifieur interne : 000183 ( France/Analysis ); précédent : 000182; suivant : 000184A phylogenetic evaluation of Leandra (Miconieae, Melastomataceae): a polyphyletic genus where the seeds tell the story, not the petals
Auteurs : Claire V. Martin [États-Unis, France] ; Damon P. Little [États-Unis] ; Renato Goldenberg [Brésil] ; Fabián A. Michelangeli [États-Unis]Source :
- Cladistics [ 0748-3007 ] ; 2008-06.
English descriptors
- KwdEn :
- Acute petals, Anticlinal, Anticlinal wall, Anticlinal walls, Appendage, Ceramicarpa, Chaetodon, Clade, Cladistic analysis, Cladistics, Clidemia, Cogn, Cogniaux, Conostegia, Genbank accession, Genus, Goldenberg, Indel characters, Ined, Informative characters, Jackknife support, Judd, Judd skean, Leandra, Leandra polyadena, Leandra section, Leandra section tschudya, Leandraria, Melastomataceae, Meriania, Michelangeli, Miconia, Miconia ceramicarpa, Miconia lappacea, Miconieae, Monophyletic, Morphological characters, Morphological data, Naudin, Niangae, Nrits, Nrits data, Nrits sequence data, Ossaea, Other genera, Other miconieae, Oxymeris, Periclinal, Periclinal wall, Petal, Phylogenetic, Phylogeny, Raddi, Redden, Renner, Section tschudya, Sections leandraria, Seed appendages, Seed characters, Seed morphology, Seed type, Seed types, Skean, Taxon, Taxonomic studies, Tetrazygia, Tococa, Triana, Tschudya, Wurdack.
- Teeft :
- Acute petals, Anticlinal, Anticlinal wall, Anticlinal walls, Appendage, Ceramicarpa, Chaetodon, Clade, Cladistic analysis, Cladistics, Clidemia, Cogn, Cogniaux, Conostegia, Genbank accession, Genus, Goldenberg, Indel characters, Ined, Informative characters, Jackknife support, Judd, Judd skean, Leandra, Leandra polyadena, Leandra section, Leandra section tschudya, Leandraria, Melastomataceae, Meriania, Michelangeli, Miconia, Miconia ceramicarpa, Miconia lappacea, Miconieae, Monophyletic, Morphological characters, Morphological data, Naudin, Niangae, Nrits, Nrits data, Nrits sequence data, Ossaea, Other genera, Other miconieae, Oxymeris, Periclinal, Periclinal wall, Petal, Phylogenetic, Phylogeny, Raddi, Redden, Renner, Section tschudya, Sections leandraria, Seed appendages, Seed characters, Seed morphology, Seed type, Seed types, Skean, Taxon, Taxonomic studies, Tetrazygia, Tococa, Triana, Tschudya, Wurdack.
Abstract
Melastomataceae is a tropical family of 4500–5000 species divided into nine tribes. The largest tribe, Miconieae, is composed of approximately 2200 species in 30 genera and is found exclusively in the Neotropics. Previous phylogenetic analyses of the Miconieae have suggested that many of the genera are derived from a paraphyletic Miconia. However, these analyses only included six species of the large genus Leandra, so its phylogenetic affinities remained unclear. As currently defined Leandra is characterized by acute petals and terminal inflorescences, but some species of Miconia, Clidemia and Ossaea also have these characters. In this study, we present an analysis of nrITS sequence data for a sample of 63 species of Leandra. The genus is clearly resolved as polyphyletic, but some distinct and well‐supported clades exist. Some of these partially correspond to sections recognized in the nineteenth century by Cogniaux, or to geographic distribution. The distribution of seed structure characters is better correlated with the phylogeny than traditional characters, such as petal morphology. Seed appendages in Leandra have evolved independently at least four times. © The Willi Hennig Society 2007.
Url:
DOI: 10.1111/j.1096-0031.2007.00185.x
Affiliations:
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Michelangeli</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>Lewis B and Dorothy Cullman Program for Molecular Systematics Studies, The New York Botanical Garden, Bronx, NY 10458</wicri:regionArea><placeName><region type="state">État de New York</region></placeName></affiliation></author></analytic><monogr></monogr><series><title level="j" type="main">Cladistics</title><title level="j" type="alt">CLADISTICS</title><idno type="ISSN">0748-3007</idno><idno type="eISSN">1096-0031</idno><imprint><biblScope unit="vol">24</biblScope><biblScope unit="issue">3</biblScope><biblScope unit="page" from="315">315</biblScope><biblScope unit="page" to="327">327</biblScope><biblScope unit="page-count">13</biblScope><publisher>Blackwell Publishing Ltd</publisher><pubPlace>Oxford, UK</pubPlace><date type="published" when="2008-06">2008-06</date></imprint><idno type="ISSN">0748-3007</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0748-3007</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acute petals</term><term>Anticlinal</term><term>Anticlinal wall</term><term>Anticlinal walls</term><term>Appendage</term><term>Ceramicarpa</term><term>Chaetodon</term><term>Clade</term><term>Cladistic analysis</term><term>Cladistics</term><term>Clidemia</term><term>Cogn</term><term>Cogniaux</term><term>Conostegia</term><term>Genbank accession</term><term>Genus</term><term>Goldenberg</term><term>Indel characters</term><term>Ined</term><term>Informative characters</term><term>Jackknife support</term><term>Judd</term><term>Judd skean</term><term>Leandra</term><term>Leandra polyadena</term><term>Leandra section</term><term>Leandra section tschudya</term><term>Leandraria</term><term>Melastomataceae</term><term>Meriania</term><term>Michelangeli</term><term>Miconia</term><term>Miconia ceramicarpa</term><term>Miconia lappacea</term><term>Miconieae</term><term>Monophyletic</term><term>Morphological characters</term><term>Morphological data</term><term>Naudin</term><term>Niangae</term><term>Nrits</term><term>Nrits data</term><term>Nrits sequence data</term><term>Ossaea</term><term>Other genera</term><term>Other miconieae</term><term>Oxymeris</term><term>Periclinal</term><term>Periclinal wall</term><term>Petal</term><term>Phylogenetic</term><term>Phylogeny</term><term>Raddi</term><term>Redden</term><term>Renner</term><term>Section tschudya</term><term>Sections leandraria</term><term>Seed appendages</term><term>Seed characters</term><term>Seed morphology</term><term>Seed type</term><term>Seed types</term><term>Skean</term><term>Taxon</term><term>Taxonomic studies</term><term>Tetrazygia</term><term>Tococa</term><term>Triana</term><term>Tschudya</term><term>Wurdack</term></keywords><keywords scheme="Teeft" xml:lang="en"><term>Acute petals</term><term>Anticlinal</term><term>Anticlinal wall</term><term>Anticlinal walls</term><term>Appendage</term><term>Ceramicarpa</term><term>Chaetodon</term><term>Clade</term><term>Cladistic analysis</term><term>Cladistics</term><term>Clidemia</term><term>Cogn</term><term>Cogniaux</term><term>Conostegia</term><term>Genbank accession</term><term>Genus</term><term>Goldenberg</term><term>Indel characters</term><term>Ined</term><term>Informative characters</term><term>Jackknife support</term><term>Judd</term><term>Judd skean</term><term>Leandra</term><term>Leandra polyadena</term><term>Leandra section</term><term>Leandra section tschudya</term><term>Leandraria</term><term>Melastomataceae</term><term>Meriania</term><term>Michelangeli</term><term>Miconia</term><term>Miconia ceramicarpa</term><term>Miconia lappacea</term><term>Miconieae</term><term>Monophyletic</term><term>Morphological characters</term><term>Morphological data</term><term>Naudin</term><term>Niangae</term><term>Nrits</term><term>Nrits data</term><term>Nrits sequence data</term><term>Ossaea</term><term>Other genera</term><term>Other miconieae</term><term>Oxymeris</term><term>Periclinal</term><term>Periclinal wall</term><term>Petal</term><term>Phylogenetic</term><term>Phylogeny</term><term>Raddi</term><term>Redden</term><term>Renner</term><term>Section tschudya</term><term>Sections leandraria</term><term>Seed appendages</term><term>Seed characters</term><term>Seed morphology</term><term>Seed type</term><term>Seed types</term><term>Skean</term><term>Taxon</term><term>Taxonomic studies</term><term>Tetrazygia</term><term>Tococa</term><term>Triana</term><term>Tschudya</term><term>Wurdack</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Melastomataceae is a tropical family of 4500–5000 species divided into nine tribes. The largest tribe, Miconieae, is composed of approximately 2200 species in 30 genera and is found exclusively in the Neotropics. Previous phylogenetic analyses of the Miconieae have suggested that many of the genera are derived from a paraphyletic Miconia. However, these analyses only included six species of the large genus Leandra, so its phylogenetic affinities remained unclear. As currently defined Leandra is characterized by acute petals and terminal inflorescences, but some species of Miconia, Clidemia and Ossaea also have these characters. In this study, we present an analysis of nrITS sequence data for a sample of 63 species of Leandra. The genus is clearly resolved as polyphyletic, but some distinct and well‐supported clades exist. Some of these partially correspond to sections recognized in the nineteenth century by Cogniaux, or to geographic distribution. The distribution of seed structure characters is better correlated with the phylogeny than traditional characters, such as petal morphology. Seed appendages in Leandra have evolved independently at least four times. © The Willi Hennig Society 2007.</div></front></TEI><affiliations><list><country><li>Brésil</li><li>France</li><li>États-Unis</li></country><region><li>État de New York</li><li>Île-de-France</li></region><settlement><li>Paris</li></settlement></list><tree><country name="États-Unis"><region name="État de New York"><name sortKey="Martin, Claire V" sort="Martin, Claire V" uniqKey="Martin C" first="Claire V." last="Martin">Claire V. Martin</name></region><name sortKey="Little, Damon P" sort="Little, Damon P" uniqKey="Little D" first="Damon P." last="Little">Damon P. Little</name><name sortKey="Michelangeli, Fabian A" sort="Michelangeli, Fabian A" uniqKey="Michelangeli F" first="Fabián A." last="Michelangeli">Fabián A. Michelangeli</name></country><country name="France"><region name="Île-de-France"><name sortKey="Martin, Claire V" sort="Martin, Claire V" uniqKey="Martin C" first="Claire V." last="Martin">Claire V. Martin</name></region></country><country name="Brésil"><noRegion><name sortKey="Goldenberg, Renato" sort="Goldenberg, Renato" uniqKey="Goldenberg R" first="Renato" last="Goldenberg">Renato Goldenberg</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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