Dame's violet

Từ điển WordNet v3.1 - WordNet Dictionary

noun

long cultivated herb having flowers whose scent is more pronounced in the evening;
naturalized throughout Europe to Siberia and into North America
• Syn:
damask violet, sweet rocket, Hesperis matronalis
• Hypernyms:
flower
• Member Holonyms:
Hesperis, genus Hesperis