1. (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

• mexican sunflower

1. (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

• flower

1. (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

• genus tithonia