The term 'Lily Variety' refers to three different types of lilies: Sego, ARUM, and CALLA. Sego is a type of lily that is native to the western United States and has white petals with yellow centers. ARUM lilies are native to Europe and have white petals with a yellow-green center. CALLA lilies are native to South Africa and have large, trumpet-shaped flowers with white petals and yellow centers. All three varieties of lilies are popular in gardens and bouquets.