Medicinal root (7)
I believe the answer is:
ginseng
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">medicinal root</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 ginseng that I've seen before include "Plant tuber credited with tonic properties" , "Aromatic root with medicinal powers" , "Plant, medicinal forked root" , "Root used in Chinese medicine" , "Tuber with tonic effect" .)