Virginia waterleaf, or Eastern waterleaf (Hydrophyllum virginianum)

Member of the Waterleaf (Hydrophyllaceae) family.  Found in moist woods, grows 1 to 3 feet, May - August, blooms May - June.   Flowers are white or pale violet, bell-shaped, with long hairlike stamens, densely clustered. Leaves are mottled (often marked as if stained with water), irregular, 5 to 7 lobed.

To learn more about Virginia waterleaf (Eastern waterleaf), visit its profile at the USDA Plants Database