genus Helianthus


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Noun1.genus Helianthus - genus of tall erect or branched American annual or perennial herbs with showy flowers: sunflowers
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
helianthus, sunflower - any plant of the genus Helianthus having large flower heads with dark disk florets and showy yellow rays
References in periodicals archive ?
The genus Helianthus (Asteraceae) includes about 100 species, the majority of which are native to North America.
Sunflowers of the genus Helianthus are annual or perennial herbaceous plants and they are found throughout the world (Heiser 1965; Heiser et al.