What is the meaning of the word "jack-in-the-pulpit"?

Definitions:

  1. A herbaceous perennial plant native to North America, commonly found in moist woodlands, meadows, and swampy areas. copy to clipboard NOUN
    • The jack-in-the-pulpit is a perennial plant, meaning it lives for more than two years. copy to clipboard
  2. A North American spring-flowering herb that gets its name from its flower stalk, which resembles a pulpit, and the green-purple sheath that covers it, which resembles a hood. copy to clipboard NOUN
    • The jack-in-the-pulpit produces a single red berry that is poisonous to humans. copy to clipboard

Synonyms: