Found 2 items, similar to helianthus.
English → English (WordNet) Definition: helianthus helianthus n : any plant of the genus Helianthus having large flower heads with dark disk florets and showy yellow rays [syn: sunflower]
English → English (gcide) Definition: helianthus helianthus \helianthus\ n. any plant of the genus Helianthus having large flower heads with dark disk florets and showy yellow rays. Syn: sunflower. [WordNet 1.5]