Comparative analysis of genetic and morphological variation within the Platanthera hyperborea complex (Orchidaceae) ...
Species complexes present considerable problems for a working taxonomy due to the presence of intraspecific variation, hybridization, polyploidy, and phenotypic plasticity. Understanding evolutionary patterns using molecular markers can allow for a more thorough assessment of evolutionary lineages t...
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Online Access: | https://dx.doi.org/10.5061/dryad.w0vt4b8np https://datadryad.org/stash/dataset/doi:10.5061/dryad.w0vt4b8np |
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ftdatacite:10.5061/dryad.w0vt4b8np 2024-06-09T07:46:25+00:00 Comparative analysis of genetic and morphological variation within the Platanthera hyperborea complex (Orchidaceae) ... Wallace, Lisa Wettewa, Eranga Bailey, Nicholas 2020 https://dx.doi.org/10.5061/dryad.w0vt4b8np https://datadryad.org/stash/dataset/doi:10.5061/dryad.w0vt4b8np en eng Dryad https://dx.doi.org/10.1600/036364420x16033962925303 Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode cc0-1.0 Dataset dataset 2020 ftdatacite https://doi.org/10.5061/dryad.w0vt4b8np10.1600/036364420x16033962925303 2024-05-13T11:09:41Z Species complexes present considerable problems for a working taxonomy due to the presence of intraspecific variation, hybridization, polyploidy, and phenotypic plasticity. Understanding evolutionary patterns using molecular markers can allow for a more thorough assessment of evolutionary lineages than traditional morphological markers. In this study, we evaluated genetic diversity and phylogenetic patterns among taxa of the Platanthera hyperborea (Orchidaceae) complex, which includes diploid (Platanthera aquilonis) and polyploid (Platanthera hyperborea, P. huronensis, P. convallariifolia) taxa spanning North America, Greenland, Iceland, and Asia. We found that three floral morphological characters overlap among the polyploid taxa, but the diploid species has smaller flowers. DNA sequence variation in a plastid (rpL16 intron) and a nuclear (ITS) marker indicated that at least three diploid species have contributed to the genomes of the polyploid taxa, suggesting all are of allopolyploid origin. Platanthera ... : Sequences of ITS and rpl16 were collected by PCR and Sanger sequencing. Morphological data was measured on herbarium specimens under a stereomicroscope. Sequences were edited and aligned using Sequencher and Se-AL. ... Dataset Greenland Iceland DataCite Metadata Store (German National Library of Science and Technology) Greenland |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
English |
description |
Species complexes present considerable problems for a working taxonomy due to the presence of intraspecific variation, hybridization, polyploidy, and phenotypic plasticity. Understanding evolutionary patterns using molecular markers can allow for a more thorough assessment of evolutionary lineages than traditional morphological markers. In this study, we evaluated genetic diversity and phylogenetic patterns among taxa of the Platanthera hyperborea (Orchidaceae) complex, which includes diploid (Platanthera aquilonis) and polyploid (Platanthera hyperborea, P. huronensis, P. convallariifolia) taxa spanning North America, Greenland, Iceland, and Asia. We found that three floral morphological characters overlap among the polyploid taxa, but the diploid species has smaller flowers. DNA sequence variation in a plastid (rpL16 intron) and a nuclear (ITS) marker indicated that at least three diploid species have contributed to the genomes of the polyploid taxa, suggesting all are of allopolyploid origin. Platanthera ... : Sequences of ITS and rpl16 were collected by PCR and Sanger sequencing. Morphological data was measured on herbarium specimens under a stereomicroscope. Sequences were edited and aligned using Sequencher and Se-AL. ... |
format |
Dataset |
author |
Wallace, Lisa Wettewa, Eranga Bailey, Nicholas |
spellingShingle |
Wallace, Lisa Wettewa, Eranga Bailey, Nicholas Comparative analysis of genetic and morphological variation within the Platanthera hyperborea complex (Orchidaceae) ... |
author_facet |
Wallace, Lisa Wettewa, Eranga Bailey, Nicholas |
author_sort |
Wallace, Lisa |
title |
Comparative analysis of genetic and morphological variation within the Platanthera hyperborea complex (Orchidaceae) ... |
title_short |
Comparative analysis of genetic and morphological variation within the Platanthera hyperborea complex (Orchidaceae) ... |
title_full |
Comparative analysis of genetic and morphological variation within the Platanthera hyperborea complex (Orchidaceae) ... |
title_fullStr |
Comparative analysis of genetic and morphological variation within the Platanthera hyperborea complex (Orchidaceae) ... |
title_full_unstemmed |
Comparative analysis of genetic and morphological variation within the Platanthera hyperborea complex (Orchidaceae) ... |
title_sort |
comparative analysis of genetic and morphological variation within the platanthera hyperborea complex (orchidaceae) ... |
publisher |
Dryad |
publishDate |
2020 |
url |
https://dx.doi.org/10.5061/dryad.w0vt4b8np https://datadryad.org/stash/dataset/doi:10.5061/dryad.w0vt4b8np |
geographic |
Greenland |
geographic_facet |
Greenland |
genre |
Greenland Iceland |
genre_facet |
Greenland Iceland |
op_relation |
https://dx.doi.org/10.1600/036364420x16033962925303 |
op_rights |
Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode cc0-1.0 |
op_doi |
https://doi.org/10.5061/dryad.w0vt4b8np10.1600/036364420x16033962925303 |
_version_ |
1801376268321554432 |