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Extended studies of interspecific relationships in Daucus (Apiaceae) using DNA sequences from ten nuclear orthologues
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Martínez-Flores, Fernando, Crespo, Manuel B., Geoffriau, Emmanuel, Allender, Charlotte J., Ruess, Holly, Arbizu, Carlos I., Simon, Philipp and Spooner, David M. (2019) Extended studies of interspecific relationships in Daucus (Apiaceae) using DNA sequences from ten nuclear orthologues. Botanical Journal of the Linnean Society, 191 (2). pp. 164-187. doi:10.1093/botlinnean/boz042 ISSN 0024-4074.
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Official URL: http://dx.doi.org/10.1093/botlinnean/boz042
Abstract
Daucus has traditionally been estimated to comprise 21–25 species, but a recent study expanded the genus to c. 40 species. The present study uses ten nuclear orthologues to examine 125 accessions, including 40 collections of 11 species (D. annuus, D. arcanus, D. decipiens, D. durieua, D. edulis, D. gracilis, D. minusculus, D. montanus, D. pumilus, D. setifolius and D. tenuissimus) newly examined with nuclear orthologues. As in previous nuclear orthologue studies, Daucus resolves into two well-defined clades, and groups different accessions of species together. Maximum likelihood and maximum parsimony analyses provide concordant results, but SVD quartets reveals many areas of disagreement of species within these two major clades. With maximum likelihood and maximum parsimony analyses Daucus montanus (hexaploid) is resolved as an allopolyploid between D. pusillus (diploid) and D. glochidiatus (tetraploid), whereas with SVD quartets it is resolved as an allopolyploid between D. glochidiatus and an unknown Daucus sp. We propose the new combination Daucus junceus (Durieua juncea) for a neglected species endemic to the south-western Iberian Peninsula often referred to as D. setifolius, and we place D. arcanus in synonymy with D. pusillus. Three lectotypes are also designated.
Item Type: | Journal Article | ||||||||
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Subjects: | Q Science > QH Natural history Q Science > QK Botany S Agriculture > SB Plant culture |
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Life Sciences (2010- ) | ||||||||
Library of Congress Subject Headings (LCSH): | Daucus, Carrots , Germplasm resources , Carrots -- Nomenclature, Carrots -- Phylogeny -- Molecular aspects | ||||||||
Journal or Publication Title: | Botanical Journal of the Linnean Society | ||||||||
Publisher: | Oxford University Press | ||||||||
ISSN: | 0024-4074 | ||||||||
Official Date: | October 2019 | ||||||||
Dates: |
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Volume: | 191 | ||||||||
Number: | 2 | ||||||||
Page Range: | pp. 164-187 | ||||||||
DOI: | 10.1093/botlinnean/boz042 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Reuse Statement (publisher, data, author rights): | This is a pre-copyedited, author-produced version of an article accepted for publication in [insert journal title] following peer review. The version of record Fernando Martínez-Flores, Manuel B Crespo, Emmanuel Geoffriau, Charlotte Allender, Holly Ruess, Carlos I Arbizu, Philipp Simon, David M Spooner, Extended studies of interspecific relationships in Daucus (Apiaceae) using DNA sequences from ten nuclear orthologues, Botanical Journal of the Linnean Society, Volume 191, Issue 2, October 2019, Pages 164–187, is available online at: https://doi.org/10.1093/botlinnean/boz042 | ||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||
Date of first compliant deposit: | 30 September 2019 | ||||||||
Date of first compliant Open Access: | 24 September 2020 |
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