Dwarf tree (6)
I believe the answer is:
bonsai
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">dwarf tree</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 bonsai that I've seen before include "Tree-dwarfing art" , "Tiny Japanese tree" , "small growth" , "Japanese art of growing dwarf trees" , "Very little tree" .)