Orchis morio subsp. champagneuxii

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1980, Flora Europaea. Volume 5. Alismataceae to Orchidaceae (Monocotyledones), Cambridge: Cambridge University Press : 338-339

(c) Subsp. champagneuxii (Barn.) Camus , Icon. Orchid. Eur. 154 (1929)

( O. champagneuxii Barn. ):

Tubers 3 (1 subsessile, 2 long-stipitate). Outer perianth-segments 6-8 mm. Labellum plicate. Spur davate, wider towards apex, truncateor emarginate, shorter than to as long as ovary. • 5. W. Europe.