helianthus annuus
NounOpen English WordNet
Noun (1)
- annual sunflower grown for silage and for its seeds which are a source of oil; common throughout United States and much of North AmericaSynonyms: common sunflowermirasolType of sunflower, helianthusParts sunflower seed
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Webster's Dictionary (1913)
“helianthus annuus” is listed under Sunflower.
Sun′flow′er noun
Any plant of the genus Helianthus; — so called probably from the form and color of its flower, which is large disk with yellow rays. The commonly cultivated sunflower is Helianthus annuus, a native of America.
Webster’s Revised Unabridged Dictionary (1913), from GCIDE 0.54