sunflower

中文： 向日葵、日头花、葵花

1. Any plant of the genus Helianthus, so called probably from the form and color of its floral head, having the form of a large disk surrounded by yellow ray flowers.
2. The commonly cultivated species, Helianthus annuus, a native of America.
3. A bright yellow, like that of the flower petals.
4. Any flat, radially symmetric organic compound, such as coronene. (informal)
5. Synonym of worm-star.

复数 sunflowers