The morning glory Calystegia soldanella (syn. Convolvulus soldanella) is a species of bindweed known by various common names such as seashore false bindweed, shore bindweed, shore convolvulus and beach morning glory. It is a perennial vine which grows in beach sand and other coastal habitats in temperate regions across the world. It is also known as 'The Prince's Flower' after Prince Charles Edward Stuart who sowed it on the Island of Eriskay,Scotl (Wikipedia)