Fennel is a flowering plant species in the carrot family. It is a hardy, perennial herb with yellow flowers and feathery leaves. It is indigenous to the shores of the Mediterranean but has become widely naturalized in many parts of the world, especially on dry soils near the sea-coast and on riverbanks. Fennel also has medicinal properties like it is used for digestion, also to treat constipation, diarrhea, throat pain, headache etc.