Heath genus; girl's name (5)
I believe the answer is:
erica
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">heath genus</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >'<span class="explanation-format__original">girl's name</span>' is the second definition.<br/ ><br/ ></span>
(Other definitions for erica that I've seen before include "Moorland plant, girl's name" , "Heathland shrub; girl's name" , "Heather's Latin name?" , "Plant of the heath genus" , "ling" .)