poppy seed
... that poppy seed, harvested from the opium poppy seed head, has had its use dated back to the Sumerians?
... that <b id="mwBuQ"><a href="./Poppy_seed" id="mwBuU" rel="mw:WikiLink" title="Poppy seed">poppy seed</a></b>, harvested from the <a class="mw-redirect" href="./Opium_poppy" id="mwBuY" rel="mw:WikiLink" title="Opium poppy">opium poppy</a> seed head, has had its use dated back to the <a class="mw-redirect" href="./Sumerians" id="mwBuc" rel="mw:WikiLink" title="Sumerians">Sumerians</a>?