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Hva er Dactylorhiza traunsteineri?

What is Dactylorhiza traunsteineri?What is Dactylorhiza traunsteineri?
Författare:
  • Mikael Hedrén
  • Steinar Skrede
Publiceringsår: 2018
Språk: Norska
Sidor: 105-116
Publikation/Tidskrift/Serie: Blyttia
Volym: 76
Nummer: 2
Dokumenttyp: Artikel i tidskrift
Förlag: Naturhistorisk museum

Abstract english

Comments are given on the identity of some populations of allotetraploid Dactylorhiza in southern Norway and their relationships to populations elsewhere in Scandinavia and in continental Europe. The most widespread allotetraploid member of Dactylorhiza in southern Norway is D. majalis ssp. sphagnicola. This subspecies is confined to poor and medium-rich fens dominated by peat mosses, Sphagnum, in the bottom layer. Subspecies sphagnicola has sometimes been included in D. traunsteineri, which is another allotetraploid member of Dactylorhiza described from Austria, but molecular analyses show that these taxa are distinct. Subspecies sphagnicola is distributed from northern France, Belgium and western Germany to Central Scandinavia, but it does not grow on Gotland or to the east of the Baltic Sea. D. majalis ssp. lapponica is only sparsely represented in southern Norway, but is known from at least one site in Lier southwest of Oslo. This subspecies grows in rich fens with high pH. It is also rare on the southern Swedish mainland, but is common on Gotland and is widespread in regions with calcareous bedrock in mid and northern Scandinavia. Mountain populations are often low-grown, have leaves with spotted upper surface, and have anthocyanine-rich stems and flowers. D. majalis ssp. lapponica is related to the Central European D. traunsteineri, but the epithet “lapponica” has priority over “traunsteineri” at subspecies level.
Comments are given on the identity of some populations of allotetraploid Dactylorhiza in southern Norway and their relationships to populations elsewhere in Scandinavia and in continental Europe. The most widespread allotetraploid member of Dactylorhiza in southern Norway is D. majalis ssp. sphagnicola. This subspecies is confined to poor and medium-rich fens dominated by peat mosses, Sphagnum, in the bottom layer. Subspecies sphagnicola has sometimes been included in D. traunsteineri, which is another allotetraploid member of Dactylorhiza described from Austria, but molecular analyses show that these taxa are distinct. Subspecies sphagnicola is distributed from northern France, Belgium and western Germany to Central Scandinavia, but it does not grow on Gotland or to the east of the Baltic Sea. D. majalis ssp. lapponica is only sparsely represented in southern Norway, but is known from at least one site in Lier southwest of Oslo. This subspecies grows in rich fens with high pH. It is also rare on the southern Swedish mainland, but is common on Gotland and is widespread in regions with calcareous bedrock in mid and northern Scandinavia. Mountain populations are often low-grown, have leaves with spotted upper surface, and have anthocyanine-rich stems and flowers. D. majalis ssp. lapponica is related to the Central European D. traunsteineri, but the epithet “lapponica” has priority over “traunsteineri” at subspecies level.

Keywords

  • Botany

Other

Published
  • ISSN: 0006-5269
Mikael Hedrén
E-post: mikael [dot] hedren [at] biol [dot] lu [dot] se

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