Lorne of "Bonanza" (6)
I believe the answer is:
greene
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">lorne of bonanza</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 greene that I've seen before include "Graham -, twentieth century English author" , "Graham --, British author" , "Graham --, Eng. author" , "Graham -, English novelist" , "Graham -, English author (Brighton Rock)" .)