headache vine
... that the intense fumes emitted by the crushed leaves of the so-called headache vine cause one to feel like one's head is "exploding" ... making the inhaler forget all about the headache?
... that the intense fumes emitted by the crushed leaves of the so-called <b id="mwAVA"><a href="./Clematis_glycinoides" id="mwAVE" rel="mw:WikiLink" title="Clematis glycinoides">headache vine</a></b> <i id="mwAVI">(pictured)</i> cause one to feel like one's head is "exploding" ... making the inhaler forget all about the headache?