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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.
(Plants) a poisonous solanaceous plant, Solanum nigrum, a common weed in cultivated land, having small white flowers with backward-curved petals and black berry-like fruits
a common weed, Solanum nigrum, of the nightshade family, having poisonous leaves, white flowers, and edible black berries.
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|Noun||1.||black nightshade - Eurasian herb naturalized in America having white flowers and poisonous hairy foliage and bearing black berries that are sometimes poisonous but sometimes edible|
nightshade - any of numerous shrubs or herbs or vines of the genus Solanum; most are poisonous though many bear edible fruit