Black Nightshade Definition

noun

A poisonous plant (Solanum nigrum) of the nightshade family, with white, star-shaped flowers and dark berries, widespread as a weed in North America.

Webster's New World

Any of several annual plants of the genus Solanum, especially the Eurasian species S. nigrum, widespread as a weed, which has clusters of white, star-shaped flowers and blackish berries that are poisonous when unripe.

American Heritage Medicine

A Eurasian species of nightshade with black berries, Solanum nigrum..

Wiktionary

Other similar members of a group of closely-related species referred to as the Solanum nigrum complex:

Wiktionary

Synonyms: