Such plants may include laurel trees, strawberries, ladyslippers, lilies of the valley, peonies, violets, irises and roses, all of which are identified as symbolic and significant in the story of Mary as recounted in the Bible and other Christian stories.
It is common among Lady's Slipper orchids (Cypripedioideae) that the two lateral sepals are connate to form a synsepal in the outer whorl.