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Noun helianthus has 1 sense
- sunflower, helianthus - any plant of the genus Helianthus having large flower heads with dark disk florets and showy yellow rays
--1 is a kind of flower
--1 is a member of genus Helianthus
--1 has particulars: | | swamp sunflower, Helianthus angustifolius; common sunflower, mirasol, Helianthus annuus; giant sunflower, tall sunflower, Indian potato, Helianthus giganteus; showy sunflower, Helianthus laetiflorus; Maximilian's sunflower, Helianthus maximilianii; prairie sunflower, Helianthus petiolaris; Jerusalem artichoke, girasol, Jerusalem artichoke sunflower, Helianthus tuberosus |
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