pile of onions, the bulb onion or common onion, is a vegetable that is the most widely cultivated species of the genus allium, the

agriculture allium aromatic background brown bulb bulbs closeup clove color common composed compressed cuisine culinary cultivated dry flavoring flavour food fresh genus golden green ground group harvest head healthy herb herbs ingredient isolated leaves magenta natural nature nutrition onion onions organic peel pile plant raw ripe root seasoning seedling shortened species spice stems traditional underground vegan vegetable vegetarian vitamin white wooden yellow