purple betony flowers or betony, wood betony, bishopwort, bishop's wort.

field betonica blooming officinalis nature summer purple flower betony herbal stachys meadow garden green background plant leaf botany medicine blossom flora bloom herb wild pink bishopwort closeup floral magenta violet outdoor natural beautiful botanical wildflower healthy wood landscape herbaceous big spring common hedgenettle grandiflora flowers bishop's wort scientific name native europe asia wort