Wingstem (Verbesina alternifolia) - at Deb's in VA (8/10) - at the beginning of the Elk Run Trail at Peaks of Otter

wingstem
http://www.illinoiswildflowers.info/savanna/plants/wingstem.htm

not to be confused with:
Yellow Crownbeard (Verbesina helianthoides)
at:
http://www.illinoiswildflowers.info/prairie/plantx/crownbeardx.htm

V. alternifolia, Wingstem, "is a taller plant that blooms later. It has long coarse leaves that are sandpapery, rather than soft and fuzzy, and its ray florets droop around the central cone of each flower."
more on Wingstem at:
http://www.illinoiswildflowers.info/savanna/plants/wingstem.htm