Fennel is a green feathery herb that is used in recipes for its distinctive flavor and aroma. The feathers, seeds and bulbs of the Fennel find a lot of culinary usage. The seeds, brown or green in color, resembling anise, are used as spices. The bulb is eaten as a vegetable either raw or in the sautÃ©ed, braised, grilled or raw form. The Fennel is commonly used in Italian, Indian and Middle Eastern Cuisine. Florence Fennel is one of the most popular varieties of Fennel that is commonly consumed as a vegetable.