Crocus (7)
I believe the answer is:
saffron
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">crocus</span>' is the definition.<br/ ><span class="explanation-format__explanation">(saffron crocus is a kind of crocus)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for saffron that I've seen before include "Orange-yellow spice" , "Spice from crocus" , "Culinary spice" , "Spice from crocuses" , "Golden yellow" .)