Garlic (Allium sativum) is a species in the onion genus,
Its close relatives include the onion, shallot, leek, chive and
Chinese onion. Garlic is native to Central Asia and northeastern
Iran, and has long been a common seasoning worldwide, with a
history of several thousand years of human consumption and use. It
was known to ancient Egyptians, and has been used both as a food
flavoring and as a traditional medicine.