Photo: Patrick Slavin, the Burren.
Narrow spikes of deep violet-brown flowers with green sepals.
Bi-lobed narrow lip resembling a fly, with a violet-blue patch.
Lip occasionally greenish / whitish. Pollinated by male Gorytes wasps.
Narrow linear-lanceolate shiny-green leaves. Slender plant. Height: 20-60cm.
In Ireland found only in open calcareous fens and flushes, West and central Ireland.