helianthus


noun, plural he·li·an·thus·es.

  1. any composite plant of the genus Helianthus, comprising the sunflowers.

noun plural -thuses

  1. any plant of the genus Helianthus, such as the sunflower and Jerusalem artichoke, typically having large yellow daisy-like flowers with yellow, brown, or purple centres: family Asteraceae (composites)

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