Rudbeckia

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Rudbeckia \Rud*beck"i*a\, n. [NL. So named after Olaf Rudebeck,
     a Swedish botanist.] (Bot.)
     A genus of composite plants, the coneflowers, consisting of
     perennial herbs with showy pedunculate heads, having a
     hemispherical involucre, sterile ray flowers, and a conical
     chaffy receptacle. There are about thirty species,


     exclusively North American. {Rudbeckia hirta}, the
     {black-eyed Susan}, is a common weed in meadows.
     [Webster 1913 Suppl.]

From WordNet (r) 2.0 [wn]:

  Rudbeckia
       n : North American perennial herbs with showy cone-shaped flower
           heads [syn: {genus Rudbeckia}]