The alliaceous, or allium, family includes the onion.
any strong-smelling bulb plant of a genus (Allium) of the lily family, as the onion, garlic, leek, etc.
Origin of alliumModern Latin ; from Classical Latin garlic
Any of numerous, usually bulbous plants of the genus Allium, having long stalks bearing clusters of variously colored flowers and including many ornamental and food plants, such as onions, leeks, chives, garlic, and shallots.
Origin of alliumLatin, garlic.