Type of daisy (5)
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">type of daisy</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 oxeye that I've seen before include "Wild chrysanthemum" , "A daisy, the marguerite" , "Wild daisy" , "Type of daisy" , "Daisy-like flower" .)