henbane

/ˈhɛnbeɪn/

IPA: /HH EH1 N B EY0 N/

noun
  1. 1

    A poisonous plant, Hyoscyamus niger, used sometimes as a drug that causes at least hallucinations, dilated pupils, restlessness, and flushed skin.

  2. 2

    Any other plant of the genus Hyoscyamus.

Source: https://en.wiktionary.org/wiki/henbane