n.
Pronunciation: ˌ r ə d- ' be-k ē - ə , rüd-
Function: noun
Etymology: New Latin, from Olof Rudbeck † 1702 Swedish scientist
Date: circa 1759
: any of a genus ( Rudbeckia ) of No. American chiefly perennial composite herbs having showy flower heads with mostly yellow ray flowers and a usually conical scaly receptacle