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Related to purple nightshade: common nightshade
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|Noun||1.||purple nightshade - weedy nightshade with silvery foliage and violet or blue or white flowers; roundish berry widely used to curdle milk; central United States to South America|
prairie berry, silverleaf nightshade, silver-leaved nettle, silver-leaved nightshade, Solanum elaeagnifolium, trompillo, white horse nettle
nightshade - any of numerous shrubs or herbs or vines of the genus Solanum; most are poisonous though many bear edible fruit