Scots emblem (7)
I believe the answer is:
thistle
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">scots emblem</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 thistle that I've seen before include "Scots plant emblem" , "Scots national emblem" , "The weed has prickly-edged leaves" , "Prickly weed" , "Prickly plant (Carduus)" .)