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Noun: purple nightshade
  1. Weedy nightshade with silvery foliage and violet, blue or white flowers; roundish berry widely used to curdle milk; central United States to South America
    - trompillo, white horse nettle, prairie berry, silverleaf nightshade, silver-leaved nightshade, silver-leaved nettle, Solanum elaeagnifolium

Type of: nightshade

Encyclopedia: Purple nightshade