Stem joints (5)
I believe the answer is:
nodes
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">stem joints</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for nodes that I've seen before include "Swellings or knotty masses" , "Bulges or swellings" , "Bumps or lumps" , "Knots" , "Small knob-like swellings" .)