pokeweed

/ˈpoʊk ˌwiːd/
noun
  1. A tall, poisonous plant with red stems, dark purple berries, and large leaves, common in North America.
    • We removed the pokeweed from the garden because it can be harmful to pets.
    • Pokeweed grows wild along roadsides and in open fields across the eastern United States.
    • The birds ate the pokeweed berries without getting sick, but the plant is toxic to humans.