violet flowers of nettle-leaved bellflower (campanula trachelium) close up

plant campanula flower bellflower flora nature closeup summer blue purple campanulaceae natural trachelium forest nettleleaved petal macro green wild garden bloom color blossom outdoor wildflower blooming beautiful season floral botany close tall mauve freshness violet gardening bright meadow leaf beauty colorful bluebell focus detail flowering stamen group flowers nettle-leaved up