Persicaria , peach , rooster crest , of the family polygonaceae , formerly included in the genus polygonum . It is very annoying for gardeners. For my land it abounds in the dry and fresh riverbeds and has astringent properties. According to scientists, the last meal of the Man from Tollund (Denmark) from about 2 years ago. 400 years was a porridge of barley (85%), pejiguera grass (9%) and flax (5%)
