genus Tithonia

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Noun1.genus Tithonia - genus of robust herbs of Mexico and Central America: Mexican sunflower
asterid dicot genus - genus of more or less advanced dicotyledonous herbs and some trees and shrubs
aster family, Asteraceae, Compositae, family Asteraceae, family Compositae - plants with heads composed of many florets: aster; daisy; dandelion; goldenrod; marigold; lettuces; ragweed; sunflower; thistle; zinnia
Mexican sunflower, 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
References in periodicals archive ?
The genus Tithonia (Asteraceae) comprising 11 species and 13 taxa, ranges from the south-western United States to Panama, although one species, Tithonia diversifolia (Hemsl.