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The Morphological and Phylogenetic Distinctions of Coursetia greenmanii (Leguminosae): Taxonomic and Ecological Implications

A new combination, Coursetia greenmanii (Leguminosae, Papilinioideae, tribe Robinieae), is proposed because analysis of nucleotide sequence data from the nuclear ribosomal internal transcribed spacer region resolves a clade that is phenotypically distinct and ecologically and geographically centered... Full description

Journal Title: Systematic botany 2010-04, Vol.35 (2), p.289-295
Main Author: Stefano, Rodrigo Duno de
Other Authors: Fernández-Concha, Germán Carnevali , Can-Itza, Lilia Lorena , Lavin, Matt
Format: Electronic Article Electronic Article
Language: English
Subjects:
Quelle: Alma/SFX Local Collection
Publisher: American Society of Plant Toxonomists
ID: ISSN: 0363-6445
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recordid: cdi_crossref_primary_10_1600_036364410791638360
title: The Morphological and Phylogenetic Distinctions of Coursetia greenmanii (Leguminosae): Taxonomic and Ecological Implications
format: Article
creator:
  • Stefano, Rodrigo Duno de
  • Fernández-Concha, Germán Carnevali
  • Can-Itza, Lilia Lorena
  • Lavin, Matt
subjects:
  • Beans
  • Biological taxonomies
  • Botany
  • DISPERSAL LIMITATION
  • Genetic aspects
  • GEOGRAPHIC PHYLOGENETIC STRUCTURE
  • Geographic regions
  • Hair
  • Inflorescences
  • Leaves
  • Legumes
  • Mimosaceae
  • Morphology
  • Nucleotide sequences
  • PHYLOGENETIC NICHE CONSERVATISM
  • Phylogenetics
  • Phylogeny (Botany)
  • Physiological aspects
  • Plants
  • RIBOSOMAL ITS/5.8S DNA SEQUENCES
  • SEASONALLY DRY TROPICAL VEGETATION
  • Tropical regions
  • Vegetation
  • YUCATAN PENINSULA REGION
ispartof: Systematic botany, 2010-04, Vol.35 (2), p.289-295
description: A new combination, Coursetia greenmanii (Leguminosae, Papilinioideae, tribe Robinieae), is proposed because analysis of nucleotide sequence data from the nuclear ribosomal internal transcribed spacer region resolves a clade that is phenotypically distinct and ecologically and geographically centered in lowland seasonally dry tropical vegetation of the Yucatan Peninsula region. The well supported monophyly of the ribosomal sequences sampled from Coursetia greenmanii suggests that this species has had a long history independent of its close relatives. Coalescence of intraspecific samples of ribosomal sequences from this geographically confined species is strongly suggestive of an evolutionary persistent small effective population size. This is the general case for species of Coursetia and related genera of the tribe Robinieae. Coalescence of nuclear ribosomal sequences sampled from geographically restricted species in this group further suggests that evolutionary persistence could be the result of high levels of dispersal limitation in seasonally dry Neotropical vegetation that is rich in cacti and other succulent species. This is the ecological setting to which Robinieae shows phylogenetic niche conservatism.
language: eng
source: Alma/SFX Local Collection
identifier: ISSN: 0363-6445
fulltext: fulltext
issn:
  • 0363-6445
  • 1548-2324
url: Link


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titleThe Morphological and Phylogenetic Distinctions of Coursetia greenmanii (Leguminosae): Taxonomic and Ecological Implications
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creatorStefano, Rodrigo Duno de ; Fernández-Concha, Germán Carnevali ; Can-Itza, Lilia Lorena ; Lavin, Matt
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descriptionA new combination, Coursetia greenmanii (Leguminosae, Papilinioideae, tribe Robinieae), is proposed because analysis of nucleotide sequence data from the nuclear ribosomal internal transcribed spacer region resolves a clade that is phenotypically distinct and ecologically and geographically centered in lowland seasonally dry tropical vegetation of the Yucatan Peninsula region. The well supported monophyly of the ribosomal sequences sampled from Coursetia greenmanii suggests that this species has had a long history independent of its close relatives. Coalescence of intraspecific samples of ribosomal sequences from this geographically confined species is strongly suggestive of an evolutionary persistent small effective population size. This is the general case for species of Coursetia and related genera of the tribe Robinieae. Coalescence of nuclear ribosomal sequences sampled from geographically restricted species in this group further suggests that evolutionary persistence could be the result of high levels of dispersal limitation in seasonally dry Neotropical vegetation that is rich in cacti and other succulent species. This is the ecological setting to which Robinieae shows phylogenetic niche conservatism.
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subjectBeans ; Biological taxonomies ; Botany ; DISPERSAL LIMITATION ; Genetic aspects ; GEOGRAPHIC PHYLOGENETIC STRUCTURE ; Geographic regions ; Hair ; Inflorescences ; Leaves ; Legumes ; Mimosaceae ; Morphology ; Nucleotide sequences ; PHYLOGENETIC NICHE CONSERVATISM ; Phylogenetics ; Phylogeny (Botany) ; Physiological aspects ; Plants ; RIBOSOMAL ITS/5.8S DNA SEQUENCES ; SEASONALLY DRY TROPICAL VEGETATION ; Tropical regions ; Vegetation ; YUCATAN PENINSULA REGION
ispartofSystematic botany, 2010-04, Vol.35 (2), p.289-295
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descriptionA new combination, Coursetia greenmanii (Leguminosae, Papilinioideae, tribe Robinieae), is proposed because analysis of nucleotide sequence data from the nuclear ribosomal internal transcribed spacer region resolves a clade that is phenotypically distinct and ecologically and geographically centered in lowland seasonally dry tropical vegetation of the Yucatan Peninsula region. The well supported monophyly of the ribosomal sequences sampled from Coursetia greenmanii suggests that this species has had a long history independent of its close relatives. Coalescence of intraspecific samples of ribosomal sequences from this geographically confined species is strongly suggestive of an evolutionary persistent small effective population size. This is the general case for species of Coursetia and related genera of the tribe Robinieae. Coalescence of nuclear ribosomal sequences sampled from geographically restricted species in this group further suggests that evolutionary persistence could be the result of high levels of dispersal limitation in seasonally dry Neotropical vegetation that is rich in cacti and other succulent species. This is the ecological setting to which Robinieae shows phylogenetic niche conservatism.
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abstractA new combination, Coursetia greenmanii (Leguminosae, Papilinioideae, tribe Robinieae), is proposed because analysis of nucleotide sequence data from the nuclear ribosomal internal transcribed spacer region resolves a clade that is phenotypically distinct and ecologically and geographically centered in lowland seasonally dry tropical vegetation of the Yucatan Peninsula region. The well supported monophyly of the ribosomal sequences sampled from Coursetia greenmanii suggests that this species has had a long history independent of its close relatives. Coalescence of intraspecific samples of ribosomal sequences from this geographically confined species is strongly suggestive of an evolutionary persistent small effective population size. This is the general case for species of Coursetia and related genera of the tribe Robinieae. Coalescence of nuclear ribosomal sequences sampled from geographically restricted species in this group further suggests that evolutionary persistence could be the result of high levels of dispersal limitation in seasonally dry Neotropical vegetation that is rich in cacti and other succulent species. This is the ecological setting to which Robinieae shows phylogenetic niche conservatism.
pubAmerican Society of Plant Toxonomists
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