Black tea variety (5)
I believe the answer is:
pekoe
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">black tea variety</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 pekoe that I've seen before include "Thin mark; run naked" , "Type of black tea" , "High-quality black tea" , "Superior grade of black tea" , "Scented black tea" .)