Fennel today is cultivated in Asia, China, and North America though it is native to Europe, especially the Mediterranean region. The scientific name for fennel is Foeniculum vulgare. It is a tall perennial plant. The leaves, bulb, and stalk of fennel are all edible and look much like white celery. The seeds are used in cooking and in making herbal products. Fennel has a sweet licorice taste.