royal heraldic badge
... that the House of Plantagenet derives its name from a royal heraldic badge used by Geoffrey of Anjou and his descendants, in the shape of a common broom plant (planta genista)?
... that the <a href="./House_of_Plantagenet" id="mwBUE" rel="mw:WikiLink" title="House of Plantagenet">House of Plantagenet</a> derives its name from a <b id="mwBUI"><a class="mw-redirect" href="./Royal_Badges_of_England" id="mwBUM" rel="mw:WikiLink" title="Royal Badges of England">royal heraldic badge</a></b> used by <a class="mw-redirect" href="./Geoffrey_of_Anjou" id="mwBUQ" rel="mw:WikiLink" title="Geoffrey of Anjou">Geoffrey of Anjou</a> and his descendants, in the shape of a <a href="./Cytisus_scoparius" id="mwBUU" rel="mw:WikiLink" title="Cytisus scoparius">common broom plant</a> (<i id="mwBUY">planta genista</i>)?