round wreath with outline convolvulus or bindweed bell, leaf and bud in black on white background.

bell bindweed black bloom blossom book botany bouquet bud bunch climbing coloring contour convolvulus decor decorative design detailed drawing floral flower foliage garden garland graphic herb illustration inflorescence isolated leaf liana linear lines open ornamental ornate outline page perennial petal plant round summer vector white wildflower wreath