set of bunch with outline campanula or bellflower or bluebell flowers and bud in pastel blue, lilac and white .

bell bellflower bloom blossom blue bluebell botany bouquet bud bunch campanula contour decor decorative design detailed drawing flora floral flower foliage garden graphic green herb illustration inflorescence isolated leaf lilac linear lines nature open ornamental ornate outline pastel perennial petal plant set stem summer vector white