agapanthus flower `lily of the nile`, also called african blue lily flower, in purple-blue shade on white background

african africanus agapanthaceae agapanthus also background beautiful bloom blossom blue botanic botanical botany bright bud budding called closeup color cultivar decorative elegant flora floral florets flower flowerhead garden group herbaceous herbs isolated light lily macro nature nile oriental perennial petal plant prebloom purple purpleblue season shade spring summer violet white wild