black nightshade

noun4

1. •
   A Eurasian species of nightshade with black berries, Solanum nigrum, of Europe.
2. •
   Other similar members of a group of closely-related species from the Solanum nigrum complex.
3. •
   Solanum americanum (American black nightshade) of much of North America
4. •
   Solanum ptychanthum (eastern black nightshade) of the Caribbean region.