<sod>[[Augustin Pyramus de Candolle]] described the species in 1817, from a specimen from the herbarium of Sir Joseph Banks.<ref name="DC">{{cite book|last=de Candolle|first=Augustin Pyramus |title=Regni Vegetabilis Systema Naturale|publisher=Treuttel et Würtz|location=Paris, France|date=1817|volume=1|pages=145–46|url=http://biodiversitylibrary.org/page/41046320}}</ref> The species gains its common name from a folk use as a supposed remedy for headaches. The aroma from the crushed leaves is inhaled, appearing to relieve headaches as a result of the highly irritant properties of the resulting fumes. This process is described by Williams as:<eod>
<sod>[[Augustin Pyramus de Candolle]] described the species in 1817, from a specimen from the herbarium of Sir Joseph Banks.<ref name="DC">{{cite book|last=de Candolle|first=Augustin Pyramus |title=Regni Vegetabilis Systema Naturale|publisher=Treuttel et Würtz|location=Paris, France|date=1817|volume=1|pages=145–46|url=http://biodiversitylibrary.org/page/41046320}}</ref> The species gains its common name from a folk use as a supposed remedy for headaches. The aroma from the crushed leaves is inhaled, appearing to relieve headaches as a result of the highly irritant properties of the resulting fumes. This process was explained by herbalist Cheryll Williams:<eod>