Leafy plant (4)
I believe the answer is:
fern
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">leafy plant</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for fern that I've seen before include "Tracheophyte plant" , "It has feathery or leafy fronds" , "A frond is its leaf" , "Leafy plant" , "Flowerless plant with feathery fronds" .)