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helianthus annuus is a noun meaning "annual sunflower grown for silage and for its seeds which are a source of oil; common throughout United States and much of North America". It carries one recorded sense.
annual sunflower grown for silage and for its seeds which are a source of oil; common throughout United States and much of North America
Definitions, synonyms and semantic relations for helianthus annuus come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.