Helianthus

from WordNet (r) 3.0 (2006)

helianthus
    n 1: any plant of the genus Helianthus having large flower heads
         with dark disk florets and showy yellow rays [syn:
         {sunflower}, {helianthus}]

from The Collaborative International Dictionary of English v.0.48

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]

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