Epipactis dunensis

Epipactis dunensis, the dune helleborine, is an herbaceous member of the family Orchidaceae. It is hardy and has a long fleshy rootstock. It flowers from June to August with an inflorescence up to 50 cm high. The fruit is a capsule, from which the light, microscopic seeds are spread by the wind.

Epipactis dunensis
Inflorescence, Anglesey sand-dunes
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Epidendroideae
Genus: Epipactis
Species:
E. dunensis
Binomial name
Epipactis dunensis
Godfery
Synonyms[1]
  • Helleborine viridiflora f. dunensis T.Stephenson & T.A.Stephenson
  • Helleborine latifolia var. dunensis (T.Stephenson & T.A.Stephenson) Soó
  • Helleborine leptochila var. dunensis (T.Stephenson & T.A.Stephenson) Druce in I.M.Hayward
  • Epipactis muelleri var. dunensis (T.Stephenson & T.A.Stephenson) P.D.Sell in P.D.Sell & G.Murrell
  • Epipactis peitzii var. sancta P.Delforge
  • Epipactis sancta (P.Delforge) P.Delforge
  • Epipactis leptochila subsp. sancta (P.Delforge) Kreutz
  • Epipactis dunensis subsp. sancta (P.Delforge) Kreutz
  • Epipactis dunensis subsp. tynensis Kreutz

Dune helleborine is a British endemic species and in Britain limited to three main areas in England and Wales, the sand-dunes of Anglesey, dunes on the Fylde coast and in the valley of the River Tyne where it has colonised old metal mine workings.[2][3][1]

References
  1. Kew World Checklist of Selected Plant Families
  2. Foley, Michael James Yates; Clarke, Sidney James (2005). Orchids of the British Isles. Griffin Press. ISBN 0954191617.
  3. IUCN Red List of Threatened Species
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