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Systematics and conservation genetics of Dactylorhiza majalis ssp elatior (Orchidaceae) on Gotland

Hedrén, Mikael LU ; Olofsson, Sofie LU ; Pedersen, Henrik A. E. and Ståhlberg, David LU (2012) In Nordic Journal of Botany 30(3). p.257-272
Abstract
A tall allotetraploid member of the Dactylorhiza incarnata/maculata complex with unspotted leaves and large pinkish flowers from the island of Gotland in the Baltic was examined for molecular variation patterns at five nuclear microsatellite loci, nuclear ITS and in plastid haplotypes. The allotetraploid was well separated from allopatric allotetraploids of similar appearance, including the western European D. majalis ssp. integrata (syn. D. praetermissa) and forms of D. majalis ssp. lapponica from mainland Sweden. It also differed from other allotetraploids distributed in the Baltic Sea region, including D. majalis ssp. baltica and D. majalis ssp. lapponica. It is here recognized as D. majalis ssp. elatior (Fr.) Hedren & H. A.... (More)
A tall allotetraploid member of the Dactylorhiza incarnata/maculata complex with unspotted leaves and large pinkish flowers from the island of Gotland in the Baltic was examined for molecular variation patterns at five nuclear microsatellite loci, nuclear ITS and in plastid haplotypes. The allotetraploid was well separated from allopatric allotetraploids of similar appearance, including the western European D. majalis ssp. integrata (syn. D. praetermissa) and forms of D. majalis ssp. lapponica from mainland Sweden. It also differed from other allotetraploids distributed in the Baltic Sea region, including D. majalis ssp. baltica and D. majalis ssp. lapponica. It is here recognized as D. majalis ssp. elatior (Fr.) Hedren & H. A. Pedersen. Dactylorhiza osiliensis Pikner, described from Saaremaa (Estonia) is regarded as a synonym. The distribution covers Gotland, Saaremaa and possibly Hiiumaa. Dactylorhiza majalis ssp. elatior may have one or several recent origins within its present distribution area, and it contains no other molecular markers than those found in the parental D. incarnata var. incarnata and D. maculata ssp. fuchsii in the same area. It appears to have weak barriers towards secondary hybridization with its parental lineages. The situation is reminiscent to that of other young allotetraploids in the D. majalis s.l. complex, suggesting that introgression may be an underestimated process explaining the accumulation of genetic diversity in evolving allopolyploid plants. (Less)
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author
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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Nordic Journal of Botany
volume
30
issue
3
pages
257 - 272
publisher
Wiley-Blackwell
external identifiers
  • wos:000305792700001
  • scopus:84863094303
ISSN
0107-055X
DOI
10.1111/j.1756-1051.2012.01321.x
language
English
LU publication?
yes
id
83afdf96-9437-4d60-ae01-ca609cf29ef8 (old id 2883761)
date added to LUP
2016-04-01 11:11:13
date last changed
2022-02-18 00:43:52
@article{83afdf96-9437-4d60-ae01-ca609cf29ef8,
  abstract     = {{A tall allotetraploid member of the Dactylorhiza incarnata/maculata complex with unspotted leaves and large pinkish flowers from the island of Gotland in the Baltic was examined for molecular variation patterns at five nuclear microsatellite loci, nuclear ITS and in plastid haplotypes. The allotetraploid was well separated from allopatric allotetraploids of similar appearance, including the western European D. majalis ssp. integrata (syn. D. praetermissa) and forms of D. majalis ssp. lapponica from mainland Sweden. It also differed from other allotetraploids distributed in the Baltic Sea region, including D. majalis ssp. baltica and D. majalis ssp. lapponica. It is here recognized as D. majalis ssp. elatior (Fr.) Hedren & H. A. Pedersen. Dactylorhiza osiliensis Pikner, described from Saaremaa (Estonia) is regarded as a synonym. The distribution covers Gotland, Saaremaa and possibly Hiiumaa. Dactylorhiza majalis ssp. elatior may have one or several recent origins within its present distribution area, and it contains no other molecular markers than those found in the parental D. incarnata var. incarnata and D. maculata ssp. fuchsii in the same area. It appears to have weak barriers towards secondary hybridization with its parental lineages. The situation is reminiscent to that of other young allotetraploids in the D. majalis s.l. complex, suggesting that introgression may be an underestimated process explaining the accumulation of genetic diversity in evolving allopolyploid plants.}},
  author       = {{Hedrén, Mikael and Olofsson, Sofie and Pedersen, Henrik A. E. and Ståhlberg, David}},
  issn         = {{0107-055X}},
  language     = {{eng}},
  number       = {{3}},
  pages        = {{257--272}},
  publisher    = {{Wiley-Blackwell}},
  series       = {{Nordic Journal of Botany}},
  title        = {{Systematics and conservation genetics of Dactylorhiza majalis ssp elatior (Orchidaceae) on Gotland}},
  url          = {{http://dx.doi.org/10.1111/j.1756-1051.2012.01321.x}},
  doi          = {{10.1111/j.1756-1051.2012.01321.x}},
  volume       = {{30}},
  year         = {{2012}},
}