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helianthus
noun
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How to pronounce helianthus:

Definition of helianthus:

helianthus (noun):
noun. any plant of the genus Helianthus having large flower heads with dark disk florets and showy yellow rays.
a genus of tall erect or sometimes much-branched american annual or perennial herbs (family compositae) comprising the sunflowers and having flower heads with purple or yellow disk flowers and showy yellow sterile rays see jerusalem artichoke

Synonyms for helianthus:

flowersunflower

Other 4-syllable words like helianthus

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