bugloss

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. perennial or biennial herb cultivated for its delicate usually blue flowers
• Syn:
alkanet, Anchusa officinalis
• Hypernyms:
anchusa
2. widespread European weed with spiny tongue-shaped leaves and yellow flowers;
naturalized in United States
• Syn:
oxtongue, bristly oxtongue, bitterweed, Picris echioides
• Hypernyms:
weed
• Member Holonyms:
Picris, genus Picris