Apples and apple trees have several commonly used names, such as Malus pumila and Malus domestica. The apple is not a native fruit to the United States, except for the crabapple. Apples originated in Asia and were brought over by European settlers.
Apple trees can grow up to 40 feet tall and have been known to live for over 100 years. They have been known since ancient times and originated in an area between the Black and Caspian Seas.
As of 2014, about 2,500 varieties of apples are grown throughout all 50 U.S. states, according to the University of Illinois. Top apple producers include Washington, New York and Michigan. The most common variety in the U.S. is the "Red Delicious," which had 62 million bushels grown in 2005.