Variety of beet (5)
I believe the answer is:
chard
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">variety of beet</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for chard that I've seen before include "Leafy green" , "vegetable crop" , "Leaf stalks from a kind of beet" , "Variety of beet with edible leaves" , "Green vegetable" .)