Answer: allium

AnswerCrossword Clue
ALLIUMOnion or garlic.
alliumany bulbous plant belonging to the genus Allium, of the amaryllis family, having an onion odor and flowers in a round cluster, including the onion, leek, shallot, garlic, and chive
alliuma bulbous herb
alliumsubstance occurring in garlic bulbs that has antibiotic properties