white summer snowflake flowers (leucojum aestivum) in its natural habitat. an ingredient in a drug

bulgaria habitat herbal paresis dystrophy radiculitis neuritis neuralgia peripheral nervous alkaloid galantamine swamp bog marsh bulb medicine extract drug poliomyelitis growth protected herb botanical europe forest wild environment summer snowdrop springtime fresh season natural background blossom green park bloom blooming aestivum floral flora nature flower plant snowflake white leucojum spring