macro closeup of nipplewort healing herb flowers on light blurry background

alkaloids analgesic antimicrobial bloom blooming blossom botany celandine chelidonium cholagogic close closeup details flower fresh greater healing herb herbaceous herbal herbalism isoquinoline leaf macro majus medical medicinal medicine natural nature nipplewort oncostatic outdoor petal pharmacology plant sedative spring summer swallowwort tetterwort therapeutic toxic traditional weed wild yellow