Windflower (7)
I believe the answer is:
anemone
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">windflower</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for anemone that I've seen before include "Plant of the buttercup family with brightly coloured flowers" , "Tentacled sea dweller, flower" , "Name one strange flower" , "Plant with brightly coloured flowers - found also in sea" , "Plant; sea creature" .)