1. (noun) any plant of the genus Helianthus having large flower heads with dark disk florets and showy yellow rays

• helianthus

1. (noun) any plant of the genus Helianthus having large flower heads with dark disk florets and showy yellow rays

• common sunflower
• helianthus annuus
• mirasol
• giant sunflower
• helianthus giganteus
• indian potato
• tall sunflower
• girasol
• helianthus tuberosus
• jerusalem artichoke
• jerusalem artichoke sunflower
• helianthus angustifolius
• swamp sunflower
• helianthus laetiflorus
• showy sunflower
• helianthus maximilianii
• maximilian's sunflower
• helianthus petiolaris
• prairie sunflower

1. (noun) any plant of the genus Helianthus having large flower heads with dark disk florets and showy yellow rays

• flower

1. (noun) any plant of the genus Helianthus having large flower heads with dark disk florets and showy yellow rays

• genus helianthus