bistorta officinalis, synonym persicaria bistorta, known as bistort, common bistort. slow motion.

inflorescence macro botany spike summer flower europe spring leaves snake blooming growing european decorative grass elegant botanic blossom outside perennial bright wild flora leaf serpentory easterledges seasonal herb wildflower garden medicine bloom polygonaceae green polygonum vascular persicaria pale knotweed meadow food bistort environment pretty grow day closeup color officinalis up