Sternbergia lutea, the winter daffodil,[2][3] autumn daffodil, fall daffodil, lily-of-the-field, or yellow autumn crocus,[lower-alpha 1] is a bulbous flowering plant in the family Amaryllidaceae, subfamily Amaryllidoideae,[4] in the Narcisseae tribe, which is used as an ornamental plant. It has yellow flowers which appear in autumn.