Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to Helianthus annuus: common sunflower
Switch to new thesaurus
|Noun||1.||Helianthus annuus - annual sunflower grown for silage and for its seeds which are a source of oil; common throughout United States and much of North America|
sunflower seed - edible seed of sunflowers; used as food and poultry feed and as a source of oil
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.