Noun: tithonia
- 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
"tithonias towered over the other garden plants";
- Mexican sunflower
Derived forms: tithonias
Type of: flower
Part of: genus Tithonia
Encyclopedia: Tithonia