Bulbs (6)
I believe the answer is:
onions
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">bulbs</span>' is the definition.<br/ ><span class="explanation-format__explanation">(onion is a kind of bulb)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for onions that I've seen before include "Tear-inducing edible bulbs" , "Pungent bulbs (6)." , "Experts know theirs" , "Punguent bulbs" , "If you know your vegetables, you're well up" .)