Also found in: Thesaurus.
Related to poisonous nightshade: black nightshade
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|Noun||1.||poisonous nightshade - poisonous perennial Old World vine having violet flowers and oval coral-red berries; widespread weed in North America|
bittersweet, bittersweet nightshade, climbing nightshade, Solanum dulcamara, woody nightshade, deadly nightshade
nightshade - any of numerous shrubs or herbs or vines of the genus Solanum; most are poisonous though many bear edible fruit