John and Gerry's    Orchids of Britain and Europe
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Epipactis helleborine
 
  This species was first described from Baden-Wurttemberg, Germany by Crantz in 1753.  It is probably
  the commonest and most familiar of the European Epipactis and is widely known as the Broad Leaved
  Helleborine.

  E. helleborine  has a huge  distribution throughout Europe and Asia and occurs as far east as Siberia and
  the Himalayas.  It can be found as far north as the Scandinavian countries and in the south reaches the
  Mediterranean and Aegean, although this southerly range is is open to question due to confusion with other
  related species.  Well over  a  century ago it was introduced to the  United States  and has spread quite
  dramatically.

  It is an orchid that tolerates  a  wide range of differing climatic conditions,  soil PH and habitat  and has  
  aquired a reputation as a species that can turn up almost anywhere - even in strongly urbanised areas. As
  a consequence of both this and  a  natural predisposition for variation,  E. helleborine  can appear in very
  diverse forms and its difficult to give a firm guide to its correct identification.  Its relationship to E.
  neerlandica in the dunes of South Wales has been the subject of ongoing study for some years and it now
  seems clear that natural intermediates are created by their avaliable light position on the dune .

  E. helleborine usually has a heart shaped lip with the tip folding back tightly underneath and the hypochile
  reddish to dark brown.  The leaves are broad and blunt and are generally held  horizontally from the stem
  (or drooping) unlike several other members of the group which carry them in a more upright position. The
  photographs are all from the Chiltern hills of Southern England.