Asters (10,7)
I believe the answer is:
michaelmas daisies
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">asters</span>' is the definition.<br/ ><span class="explanation-format__explanation">(Michaelmas daisy is an example)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for michaelmas daisies that I've seen before include "flowers - with 28a" , "North American natives" .)