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Phylogenetic Analyses of Clematis (Ranunculaceae) Based on Sequences of Nuclear Ribosomal ITS and Three Plastid Regions

Clematis, a largely temperate genus of vines and lianas, consists of approximately 300 species. Based on a sampling of about 75 species, sequences of the nrITS, the plastid atpB—rbcL spacer, psbA—trnH—trnQ spacer, and rpoB—trnC spacer regions were analyzed using parsimony, maximum likelihood, and Ba... Full description

Journal Title: Systematic botany 2011-10, Vol.36 (4), p.907-921
Main Author: Xie, Lei
Other Authors: Wen, Jun , Li, Liang-Qian
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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title: Phylogenetic Analyses of Clematis (Ranunculaceae) Based on Sequences of Nuclear Ribosomal ITS and Three Plastid Regions
format: Article
creator:
  • Xie, Lei
  • Wen, Jun
  • Li, Liang-Qian
subjects:
  • Adaptability
  • Bayesian analysis
  • Biological taxonomies
  • Calyx
  • Classification
  • Clematis
  • Climatic changes
  • Convergence
  • Data processing
  • Datasets
  • Dating
  • Dispersal
  • Divergence Times
  • Evolution
  • Fruits
  • Genetic aspects
  • Lianas
  • Molecular Phylogeny
  • Nucleotide sequencing
  • Phylogenetics
  • Phylogeny
  • Physiological aspects
  • Plant genetics
  • Plant morphology
  • Plants
  • Plastids
  • Radiation
  • Ranunculaceae
  • Ribosomes
  • Sampling
  • Spacer region
  • Speciation
  • Species diversity
  • Species Radiation
  • Taxa
  • Vines
  • Wind
ispartof: Systematic botany, 2011-10, Vol.36 (4), p.907-921
description: Clematis, a largely temperate genus of vines and lianas, consists of approximately 300 species. Based on a sampling of about 75 species, sequences of the nrITS, the plastid atpB—rbcL spacer, psbA—trnH—trnQ spacer, and rpoB—trnC spacer regions were analyzed using parsimony, maximum likelihood, and Bayesian inference methods. Analyses of the combined data set by the three methods yielded similar topologies. Previously recognized genera including Archiclematis and Naravelia are nested within Clematis, supporting the merging of these genera within Clematis. Ten major clades with various levels of support were detected in the combined analyses. Our results in general do not support previous infrageneric classifications based on morphological characters and suggest significant convergence in floral and vegetative characters in Clematis. Several clades were resolved as regional geographic groups. Bayesian dating suggests a relatively ancient origin of the genus in the Oligocene, yet a relatively recent species radiation of the crown Clematis in the Miocene. Geologic and climatic changes in the late Tertiary to Quaternary are perhaps important for the speciation of Clematis, especially in eastern Asia. Long-distance dispersal of the fruits by wind, water, and/or animals and strong environmental adaptability, are proposed as the main mechanisms for the current cosmopolitan distribution and high species diversity of Clematis.
language: eng
source: Alma/SFX Local Collection
identifier: ISSN: 0363-6445
fulltext: fulltext
issn:
  • 0363-6445
  • 1548-2324
url: Link


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titlePhylogenetic Analyses of Clematis (Ranunculaceae) Based on Sequences of Nuclear Ribosomal ITS and Three Plastid Regions
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descriptionClematis, a largely temperate genus of vines and lianas, consists of approximately 300 species. Based on a sampling of about 75 species, sequences of the nrITS, the plastid atpB—rbcL spacer, psbA—trnH—trnQ spacer, and rpoB—trnC spacer regions were analyzed using parsimony, maximum likelihood, and Bayesian inference methods. Analyses of the combined data set by the three methods yielded similar topologies. Previously recognized genera including Archiclematis and Naravelia are nested within Clematis, supporting the merging of these genera within Clematis. Ten major clades with various levels of support were detected in the combined analyses. Our results in general do not support previous infrageneric classifications based on morphological characters and suggest significant convergence in floral and vegetative characters in Clematis. Several clades were resolved as regional geographic groups. Bayesian dating suggests a relatively ancient origin of the genus in the Oligocene, yet a relatively recent species radiation of the crown Clematis in the Miocene. Geologic and climatic changes in the late Tertiary to Quaternary are perhaps important for the speciation of Clematis, especially in eastern Asia. Long-distance dispersal of the fruits by wind, water, and/or animals and strong environmental adaptability, are proposed as the main mechanisms for the current cosmopolitan distribution and high species diversity of Clematis.
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subjectAdaptability ; Bayesian analysis ; Biological taxonomies ; Calyx ; Classification ; Clematis ; Climatic changes ; Convergence ; Data processing ; Datasets ; Dating ; Dispersal ; Divergence Times ; Evolution ; Fruits ; Genetic aspects ; Lianas ; Molecular Phylogeny ; Nucleotide sequencing ; Phylogenetics ; Phylogeny ; Physiological aspects ; Plant genetics ; Plant morphology ; Plants ; Plastids ; Radiation ; Ranunculaceae ; Ribosomes ; Sampling ; Spacer region ; Speciation ; Species diversity ; Species Radiation ; Taxa ; Vines ; Wind
ispartofSystematic botany, 2011-10, Vol.36 (4), p.907-921
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descriptionClematis, a largely temperate genus of vines and lianas, consists of approximately 300 species. Based on a sampling of about 75 species, sequences of the nrITS, the plastid atpB—rbcL spacer, psbA—trnH—trnQ spacer, and rpoB—trnC spacer regions were analyzed using parsimony, maximum likelihood, and Bayesian inference methods. Analyses of the combined data set by the three methods yielded similar topologies. Previously recognized genera including Archiclematis and Naravelia are nested within Clematis, supporting the merging of these genera within Clematis. Ten major clades with various levels of support were detected in the combined analyses. Our results in general do not support previous infrageneric classifications based on morphological characters and suggest significant convergence in floral and vegetative characters in Clematis. Several clades were resolved as regional geographic groups. Bayesian dating suggests a relatively ancient origin of the genus in the Oligocene, yet a relatively recent species radiation of the crown Clematis in the Miocene. Geologic and climatic changes in the late Tertiary to Quaternary are perhaps important for the speciation of Clematis, especially in eastern Asia. Long-distance dispersal of the fruits by wind, water, and/or animals and strong environmental adaptability, are proposed as the main mechanisms for the current cosmopolitan distribution and high species diversity of Clematis.
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6Climatic changes
7Convergence
8Data processing
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10Dating
11Dispersal
12Divergence Times
13Evolution
14Fruits
15Genetic aspects
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17Molecular Phylogeny
18Nucleotide sequencing
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21Physiological aspects
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abstractClematis, a largely temperate genus of vines and lianas, consists of approximately 300 species. Based on a sampling of about 75 species, sequences of the nrITS, the plastid atpB—rbcL spacer, psbA—trnH—trnQ spacer, and rpoB—trnC spacer regions were analyzed using parsimony, maximum likelihood, and Bayesian inference methods. Analyses of the combined data set by the three methods yielded similar topologies. Previously recognized genera including Archiclematis and Naravelia are nested within Clematis, supporting the merging of these genera within Clematis. Ten major clades with various levels of support were detected in the combined analyses. Our results in general do not support previous infrageneric classifications based on morphological characters and suggest significant convergence in floral and vegetative characters in Clematis. Several clades were resolved as regional geographic groups. Bayesian dating suggests a relatively ancient origin of the genus in the Oligocene, yet a relatively recent species radiation of the crown Clematis in the Miocene. Geologic and climatic changes in the late Tertiary to Quaternary are perhaps important for the speciation of Clematis, especially in eastern Asia. Long-distance dispersal of the fruits by wind, water, and/or animals and strong environmental adaptability, are proposed as the main mechanisms for the current cosmopolitan distribution and high species diversity of Clematis.
pubAmerican Society of Plant Toxonomists
doi10.1600/036364411X604921
tpages15