Évrard, D. & Delforge, P. 2017.- Une remarquable station d'Orchidées dans un parc industriel du nord du Hainaut (Belgique). Natural. belges 98 (Orchid. 30): 22-30.

Abstract. Évrard, D. & Delforge, P. 2017.- A remarkable Orchid station in a industrial park of Northern Hainaut (Belgium) Natural. belges 98 (Orchid. 30): 22-30. In the petrochemical park of Feluy (province of Hainaut, Wallonia, Belgium), the verges of an access railway, of two roads, as well as the edge of a birchwood form an interesting orchid site, noticed in June 2016. In June 2017, in an important population of Dactylorhiza fuchsii, the flowers of numerous individual, somewhat late-flowering, were more or less actinomorphic, as in the “lusus elabiata”, described from Switzerland. A bit later, in July, numerous Epipactis helleborine are in flowers at the same place. Amongst these, a third are spindly and possesse most of the morphological characters of E. helleborine var. helleborine f. minor.

Key-Words:
Orchidaceae; Dactylorhiza, Dactylorhiza fuchsii “lusus elabiata”; Epipactis, Epipactis helleborine, Epipactis helleborine var. helleborine f. minor (Engel) P. Delforge. Flora of Belgium, Wallonia, Hainaut.