Aster, Flat-topped White

Aster umbellatus
A tall upright 2-7' plant with a rather rigid stem. The smooth, lance-shaped leaves taper to a sessile base and have hairy margins. The 1/2-1" flowers are in a flat-topped cluster up to 12" across. The 5-15 rays tend to curve downward. The yellow disc becomes purplish with age and the narrow bracts are in several rows. Blooms July-October in moist, open woods, edges, thickets.