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Has 4 petaled white flowers. Helps with toothache. The root tastes peppery kind of like horseradish and can be chewed for colds and flu or made into tea to gargle with for sore throat. Used to spice up food. The entire plant can be used- leaves, stems, flowers, root. Add to your salads, rice etc. Even when the leaves are gone, the roots are still underground and edible.