helianthus [
`hilɪ'ænθəs]
n. 向日葵, 向日葵属植物
helianthus[ noun ]
any plant of the genus Helianthus having large flower heads with dark disk florets and showy yellow rays
<noun.plant>
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]