zig-zag wattle
... that the zig-zag wattle is so named for its zig-zag stems?
... that the <b id="mwDhs"><a href="./Acacia_macradenia" id="mwDhw" rel="mw:WikiLink" title="Acacia macradenia">zig-zag wattle</a></b> <i id="mwDh0">(pictured)</i> is so named for its zig-zag stems?