purple nightshade

Từ điển Oxford Learners Wordfinder Dictionary

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