In North America, dandelions are regarded as a weed, but the hardy flower's leaves, petals and roots have been used medicinally in Europe and Asia since the 10th century. In some parts of Europe, the leaves -- packed with vitamins and minerals such as vitamin A, potassium, lutein and iron -- are a popular vegetable and salad ingredient. The flower takes its name from the French words for lion's tooth (dent de lion) because of the ragged edges of the plant's leaves.
Uses: Many supplement manufacturers market dandelion as a liver tonic. In Asian and folk medicine, dandelion is used in efforts to treat tuberculosis, kidney stones, urinary tract infections, hemorrhoids, rheumatism, eczema and diabetes; induce milk production in nursing mothers; and increase appetite.