Small blue flower (6-2-3)
I believe the answer is:
forget-me-not
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">small blue flower</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for forget-me-not that I've seen before include "Myosotis" , "Plant of the borage family, usually with bright blue flowers" , "Bright blue flower" , "Small blue flower" , "Wild flower" .)