👉 Leucoptilium is a type of flowering plant in the family Apiaceae, commonly known as the white flowered leucanthemum or leucaetum. They are native to Asia and Europe, growing in open meadows, gardens, and parks. The term "leucoptilum" refers to the large flowers that come out at the end of the flowering season. These flowers have a white color and are often used as ornamental plants or for their medicinal