Dwarf Dogwood

Cornus Canadensis is commonly known as dwarf dogwood or bunchberry. It is a dwarf member of the dogwood family. It grows mostly in Canada and throughout the northern half of the United States. The white petals of the dwarf dogwood aren't flower petals, they are actually leaves. This plant grws clusters of red berries in late summer that and not taste very good.

http://www.fs.fed.us/wildflowers/plant-of-the-week/cornus_canadensis.shtml

http://www.dereilanatureinn.ca/woodlands/look-at-plants

http://www.duke.edu/~jspippen/plants/cornus.htm