Geranium maculatum

Geranium maculatum, the spotted geranium, wood geranium, or wild geranium is a woodland perennial plant native to eastern North America, from southern Manitoba and southwestern Quebec south to Alabama and Georgia and west to Oklahoma and South Dakota. It is known as Spotted Cranesbill or Wild Cranesbill in Europe, but the Wood Cranesbill is another plant, the related G. sylvatium (a European native called "Woodland Geranium" in North America). Colloquial names are Alum Root, Alum Bloom and Old Maid's Nightcap.