gentiana pneumonanthe, the marsh gentian, wet meadow in autumn, closeup

2000 alcon autumn azur beautiful big biodiversity biology blooming blue botany butterfly caeruleae close closeup ecology egg eggs europe flower flowering gentian gentiana gentianaceae genus green habitat host hostplant impressive leafs marsh meadow molinion natura nature ornamental petals plant plants pneumonanthe poland protected rare species symbiosis tepals violet visible vulnerable host-plant phengaris wet late summer