purple nightshade

Noun

• 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

Related words

• Synonyms: 
  trompillo , white horse nettle , prairie berry , silverleaf nightshade , silver-leaved nightshade , silver-leaved nettle , Solanum elaeagnifolium