Flower cultivated by the Aztecs (6)
I believe the answer is:
dahlia
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">flower cultivated by the aztecs</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 dahlia that I've seen before include "Showy garden plant" , "Showy herbaceous perennial" , "Composite" , "Ali had (anag) - showy flower" , "Plant of the daisy family" .)