connecting its leaves in a cycle
... that when a tree is a star, connecting its leaves in a cycle makes a wheel?
... that when a <a href="./Tree_(graph_theory)" id="mwCds" rel="mw:WikiLink" title="Tree (graph theory)">tree</a> is a <a href="./Star_(graph_theory)" id="mwCdw" rel="mw:WikiLink" title="Star (graph theory)">star</a>, <b id="mwCd0"><a href="./Halin_graph" id="mwCd4" rel="mw:WikiLink" title="Halin graph">connecting its leaves in a cycle</a></b> makes a <a href="./Wheel_graph" id="mwCd8" rel="mw:WikiLink" title="Wheel graph">wheel</a>?