Eucalyptus (3,4)
I believe the answer is:
gum tree
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">eucalyptus</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 gum tree that I've seen before include "Up here's problematic" , "you don't want to climb!" , "in a difficult situation" , "Up a - -, in a predicament" , "Awkward place to be" .)