Callery Pear (Pyrus calleryana)

3/26/12 PL DE
The Bradford Pear is a cultivar of the Callery, the wild Pear tree. The Bradford has a conical shape and is the the Pear tree we often see in landscaping use.

http://plants.usda.gov/java/profile?symbol=PYCA80&photoID=pyca80_007_avp.jpg