Fruit tree (8)
I believe the answer is:
mulberry
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">fruit tree</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that mulberry is a type of fruit tree)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for mulberry that I've seen before include "Tree, its leaves fed to silkworms" , "dark purple" , "the centre of attention in nursery circles?" , "Tree associated with silkworms" , "Fruit - artificial harbour" .)