apple of peru

GNU Webster's 1913

1. n. a large coarse herb (Nicandra physaloides) bearing pale blue flowers, and a bladderlike fruit inclosing a dry berry.

WordNet 3.0

1. n. intensely poisonous tall coarse annual tropical weed having rank-smelling foliage, large white or violet trumpet-shaped flowers and prickly fruits
2. n. coarse South American herb grown for its blue-and-white flowers followed by a bladderlike fruit enclosing a dry berry