Fennel seed is from a flowering plant species in the carrot family. It is a hardy, perennial herb with yellow flowers and feathery leaves. Fennel is indigenous to the shores of the Mediterranean but has become widely naturalized in many parts of the world. It is especially on dry soils near the sea-coast and on riverbanks. It is a highly aromatic and flavorful herb with culinary and medicinal uses. Fennel is used as a food plant by the larvae of some Lepidoptera species including in its native range the mouse moth and the Old-World swallowtail. Fennel is very healthy and good for your body.