Definition: A plant genus of the family ASTERACEAE. Some Rudbeckia species have been reclassified to ECHINACEA; RATIBIDA; or HELIANTHUS.
X ref CONEFLOWER, ORANGE: CONEFLOWER, PURPLE see ECHINACEA and CONEFLOWER, PRAIRIE see RATIBIDA are also available; coord with specific PLANT STRUCTURES term if pertinent; for use in therapy coord IM with PHYTOTHERAPY (IM) + disease/drug ther (IM) + PLAN