Photos: Patrick Slavin, the Burren
Flowers slightly greenish white, scented. Spur 25-30mm. Longer than ovary.
Unlobed narrow linear-oblong lip. Pollinia parallel, close together, 2mm long.
Two basal leaves, oval-elliptical. Smaller stem leaves. Height: To 30cm.
Found on both acidic and calcareous soils. Grassland, scrub, dunes, woodland and heaths. Also found in acidic bog and calcareous fens.
Similar: Greater Butterfly-orchid
Photographs above: The Burren, Co.Clare.