tithonia

Từ điển WordNet v3.1 - WordNet Dictionary

noun

any plant of the genus Tithonia;
tall coarse herbs or shrubs of Mexico to Panama having large flower heads resembling sunflowers with yellow disc florets and golden-yellow to orange-scarlet rays
• Syn:
Mexican sunflower
• Hypernyms:
flower
• Member Holonyms:
genus Tithonia