Modified leaf (5)
I believe the answer is:
bract
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">modified leaf</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for bract that I've seen before include "Small scale" , "Type of leaf" , "Flower-bearing leaf" , "Leaf-like part of plant" .)