late purple aster: a variety of aster
aster: any of various chiefly fall-blooming herbs of the genus Aster with showy daisylike flowers
cycadopsida: palmlike gymnosperms: includes the surviving order Cycadales and several extinct orders; possibly not a natural group; in some systems considered a class (Cycadopsida) and in others a subdivision (Cycadophytina or Cycadophyta)