'helianthus' definitions:
Definition of 'helianthus'
(from WordNet)
noun
Any plant of the genus Helianthus having large flower heads with dark disk florets and showy yellow rays [syn: sunflower, helianthus]
Definition of 'helianthus'
From: GCIDE
- 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]