coneflower

noun

• a North American plant of the daisy family that has flowers with conelike disks that appear to consist of soft spines.

  • Rudbeckia, Echinacea, and other genera, family Compositae: numerous species, including the yellow-flowered sweet coneflower (R. subtomentosa), the purple coneflower (E. purpurea) with swept-back reddish-purple petals, and the tall green-headed coneflower (R. laciniata) with yellow petals and greenish disks