Ключевые слова: blue, bract, colour of corolla, flowering plant, helleborus niger, heterostylous, hieracium murorum, inflorescence, lung infections, lungenkraut, medunitza, mertensia, miodunka, ornamental garden, perennial plant, pink, pulmonaria, pulmonaria officinalis, purple, red, sepal, sympathetic magic, ulcerated light,