Research topic: Jimson weed

Jimson weed or Jamestown weed, large, coarse annual plant ( Datura stramonium ) of the family Solanaceae ( nightshade family), native to warm-temperate and tropical regions of the New World, but long widely distributed and often weedy. This and other species of the genus contain a narcotic poison, stramonium, similar to that of the related belladonna, that has been used by many peoples for various purposes, e.g., as a medicine (now chiefly inhaled for the relief of asthma or applied externally as a painkiller) and in the past as a poison and an instrument for obtaining prophetic dreams... Read more