Showy flowers (7)
I believe the answer is:
dahlias
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">showy flowers</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for dahlias that I've seen before include "Tuberous Mexican flowers" , "Might Ali dash for the flowers?" , "bloomers" , "Flowers for Shia lad" , "Herbaceous perennial plants of a Mexican genus" .)