New England Aster
This is a native Illinois wildflower which is currently in bloom along the roadsides. It's found in the top 2/3 of the state. Clusters of composite flowers occur at the ends of the upper stems. Each composite flower consists of numerous gold or yellow disk florets, which are surrounded by 30 or more ray florets that are purple, lavender, or light pink. A mature plant may bear two dozen or more of flowers, putting forth a showy display. There is no noticeable floral scent. The blooming period occurs from late summer to fall, and lasts about 2 months. Taken Sun, Sept 22, 2013 in Litchfield, IL.