資料來源 : Webster's Revised Unabridged Dictionary (1913)

Coneflower \Cone"flow`er\, n.
   Any plant of the genus {Rudbeckia}; -- so called from the
   cone-shaped disk of the flower head. Also, any plant of the
   related genera {Ratibida} and {Brauneria}, the latter usually
   known as {purple coneflower}.