single cotyledon
White helleborine Cephalanthera damasonium
Southern Marsh Orchid Dactylorhiza praetermissa
Pyramidal orchid Anacamptis pyramidalis
Diagram of a Pollinia
Marsh helleborine Epipactis palustris
Heath spotted orchid Dactylorhiza maculata
Green winged orchid Anacamptis morio
Early purple orchid Orchis mascula
Common spotted orchid Dactylorhiza fuchsii
Birds nest orchid Neottia nidus-avis
Bee orchid Ophrys apifera