stunning periwinkle flower with vibrant purple-blue petals and fresh green leaves, featured against a clean white backdrop

periwinkle flower bloom purple violet petals isolated white background closeup nature botanical plant vibrant flora green leaves detailed delicate soft natural macro perennial ornamental garden gardening fresh floral bright beautiful elegant graceful summer species vivid tropical spring organic wildflower intricate growth blooming radiant sunlight striking single lush herbaceous leaf blossom full stunning purple-blue featured clean backdrop backdrop