- wild onion - any of various plants of the genus Allium with edible bulbs found growing wild
--1 is a kind of alliaceous plant
--1 is a member of Allium, genus Allium
--1 has particulars:Hooker's onion, Allium acuminatum; nodding onion, nodding wild onion, lady's leek, Allium cernuum; crow garlic, false garlic, field garlic, stag's garlic, wild garlic, Allium vineale