unusually dark bee orchids

unusually dark bee orchids

Observation - unusually dark bee orchids - UK and Ireland. Description: These 3 photos are of unusually dark bee orchid flowers from 3 different plants all growing within a few feet of each other at Radipole Lake RSPB reserve in the middle of Weymouth. Apparently one of them is a very rare form of the bee orchid. But is it

These 3 photos are of unusually dark bee orchid flowers from 3 different plants all growing within a few feet of each other at Radipole Lake RSPB reserve in the middle of Weymouth. Apparently one of them is a very rare form of the bee orchid. But is it not possible that these plants are just revealing the normal variability of the species? I find it difficult to believe that there are 3 different forms growing so close together. Perhaps someone out there can shed some light on orchid variability.