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Molecular Phylogeny and Redefined Generic Limits of Calathea (Marantaceae)

Calathea, with an estimated 285 species, is the largest genus of Marantaceae and an important component of Neotropical herbaceous diversity. The genus is also of high importance for horticulture as species are cultivated for their showy, patterned leaves. Previous molecular phylogenetic studies indi... Full description

Journal Title: Systematic botany 2012, Vol.37 (3), p.620-635
Main Author: Borchsenius, Finn
Other Authors: Suárez, Luz Stella Suárez , Prince, Linda M
Format: Electronic Article Electronic Article
Language: English
Subjects:
ITS
Quelle: Alma/SFX Local Collection
Publisher: American Society of Plant Toxonomists
ID: ISSN: 0363-6445
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recordid: cdi_ingenta_journals_aspt_sb_2012_00000037_00000003_art00005
title: Molecular Phylogeny and Redefined Generic Limits of Calathea (Marantaceae)
format: Article
creator:
  • Borchsenius, Finn
  • Suárez, Luz Stella Suárez
  • Prince, Linda M
subjects:
  • Biological taxonomies
  • Botany
  • Bracts
  • Genera
  • Genetic aspects
  • Genetic markers
  • Goeppertia
  • Identification and classification
  • Inflorescences
  • Introns
  • ITS
  • Matk
  • Maximum Parsimony
  • Morphology
  • Phylogenetics
  • Phylogeny
  • Plant genetics
  • Plants
  • Plastids
  • Properties
  • Sanblasia
  • Taxa
  • Trnl-F Region
ispartof: Systematic botany, 2012, Vol.37 (3), p.620-635
description: Calathea, with an estimated 285 species, is the largest genus of Marantaceae and an important component of Neotropical herbaceous diversity. The genus is also of high importance for horticulture as species are cultivated for their showy, patterned leaves. Previous molecular phylogenetic studies indicated that the genus is polyphyletic, but have not provided a basis for redefining generic limits due to incomplete taxon sampling. To address this problem we analyzed DNA sequence data from three plastid markers (matK with flanking 3′ trnK intron, trnL intron and trnL-trnF intergenic spacer) and one nuclear marker (ITS) under a maximum parsimony criterion for a large and representative taxon sample covering all previously proposed infrageneric entities, and representing the full range of morphological variation known in the genus. Our results confirm that Calathea is polyphyletic. One clade, including subgenus Calathea, the C. lanicaulis group, and the genus Sanblasia, is sister to a clade formed by Ischnosiphon and Pleiostachya. The genus Monotagma is placed as sister to this clade. The remaining species form a second strongly supported clade as sister to a clade containing these other genera. Based on these findings Calathea is recircumscribed in a narrow sense and Sanblasia is placed in synonymy. The genus Goeppertia is resurrected and redefined to include all members of the second Calathea clade. Morphological characters defining each genus are provided. A total of 246 new combinations are made.
language: eng
source: Alma/SFX Local Collection
identifier: ISSN: 0363-6445
fulltext: fulltext
issn:
  • 0363-6445
  • 1548-2324
url: Link


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titleMolecular Phylogeny and Redefined Generic Limits of Calathea (Marantaceae)
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descriptionCalathea, with an estimated 285 species, is the largest genus of Marantaceae and an important component of Neotropical herbaceous diversity. The genus is also of high importance for horticulture as species are cultivated for their showy, patterned leaves. Previous molecular phylogenetic studies indicated that the genus is polyphyletic, but have not provided a basis for redefining generic limits due to incomplete taxon sampling. To address this problem we analyzed DNA sequence data from three plastid markers (matK with flanking 3′ trnK intron, trnL intron and trnL-trnF intergenic spacer) and one nuclear marker (ITS) under a maximum parsimony criterion for a large and representative taxon sample covering all previously proposed infrageneric entities, and representing the full range of morphological variation known in the genus. Our results confirm that Calathea is polyphyletic. One clade, including subgenus Calathea, the C. lanicaulis group, and the genus Sanblasia, is sister to a clade formed by Ischnosiphon and Pleiostachya. The genus Monotagma is placed as sister to this clade. The remaining species form a second strongly supported clade as sister to a clade containing these other genera. Based on these findings Calathea is recircumscribed in a narrow sense and Sanblasia is placed in synonymy. The genus Goeppertia is resurrected and redefined to include all members of the second Calathea clade. Morphological characters defining each genus are provided. A total of 246 new combinations are made.
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subjectBiological taxonomies ; Botany ; Bracts ; Genera ; Genetic aspects ; Genetic markers ; Goeppertia ; Identification and classification ; Inflorescences ; Introns ; ITS ; Matk ; Maximum Parsimony ; Morphology ; Phylogenetics ; Phylogeny ; Plant genetics ; Plants ; Plastids ; Properties ; Sanblasia ; Taxa ; Trnl-F Region
ispartofSystematic botany, 2012, Vol.37 (3), p.620-635
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descriptionCalathea, with an estimated 285 species, is the largest genus of Marantaceae and an important component of Neotropical herbaceous diversity. The genus is also of high importance for horticulture as species are cultivated for their showy, patterned leaves. Previous molecular phylogenetic studies indicated that the genus is polyphyletic, but have not provided a basis for redefining generic limits due to incomplete taxon sampling. To address this problem we analyzed DNA sequence data from three plastid markers (matK with flanking 3′ trnK intron, trnL intron and trnL-trnF intergenic spacer) and one nuclear marker (ITS) under a maximum parsimony criterion for a large and representative taxon sample covering all previously proposed infrageneric entities, and representing the full range of morphological variation known in the genus. Our results confirm that Calathea is polyphyletic. One clade, including subgenus Calathea, the C. lanicaulis group, and the genus Sanblasia, is sister to a clade formed by Ischnosiphon and Pleiostachya. The genus Monotagma is placed as sister to this clade. The remaining species form a second strongly supported clade as sister to a clade containing these other genera. Based on these findings Calathea is recircumscribed in a narrow sense and Sanblasia is placed in synonymy. The genus Goeppertia is resurrected and redefined to include all members of the second Calathea clade. Morphological characters defining each genus are provided. A total of 246 new combinations are made.
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1Botany
2Bracts
3Genera
4Genetic aspects
5Genetic markers
6Goeppertia
7Identification and classification
8Inflorescences
9Introns
10ITS
11Matk
12Maximum Parsimony
13Morphology
14Phylogenetics
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21Taxa
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abstractCalathea, with an estimated 285 species, is the largest genus of Marantaceae and an important component of Neotropical herbaceous diversity. The genus is also of high importance for horticulture as species are cultivated for their showy, patterned leaves. Previous molecular phylogenetic studies indicated that the genus is polyphyletic, but have not provided a basis for redefining generic limits due to incomplete taxon sampling. To address this problem we analyzed DNA sequence data from three plastid markers (matK with flanking 3′ trnK intron, trnL intron and trnL-trnF intergenic spacer) and one nuclear marker (ITS) under a maximum parsimony criterion for a large and representative taxon sample covering all previously proposed infrageneric entities, and representing the full range of morphological variation known in the genus. Our results confirm that Calathea is polyphyletic. One clade, including subgenus Calathea, the C. lanicaulis group, and the genus Sanblasia, is sister to a clade formed by Ischnosiphon and Pleiostachya. The genus Monotagma is placed as sister to this clade. The remaining species form a second strongly supported clade as sister to a clade containing these other genera. Based on these findings Calathea is recircumscribed in a narrow sense and Sanblasia is placed in synonymy. The genus Goeppertia is resurrected and redefined to include all members of the second Calathea clade. Morphological characters defining each genus are provided. A total of 246 new combinations are made.
pubAmerican Society of Plant Toxonomists
doi10.1600/036364412X648571
tpages16