 Medical authorities advise against ingesting any part of the plant.Leonardo da Vinci drew "O. umbellatum" and included the plant in one of his depictions of Leda and the Swan (1508–1515), in which the flowers are held in Leda's left hand.In folklore, the biblical star of Bethlehem is said to have fallen to the earth and shattered into pieces which became the ubiquitous white flowers.