You may avoid or severely limit encounters with other people-which can keep you from daily activities. You may develop physical symptoms such as a rapid heartbeat, shortness of breath, or tightness in your chest when faced with a feared social situation.
The apple tree (Malus pumila, commonly and erroneously called Malus domestica) is a deciduous tree in the rose family best known for its sweet, pomaceous fruit, the apple. It is cultivated worldwide as a fruit tree, and is the most widely grown species in the genus Malus.
The most used and well known apple tree is the Orchard Apple tree (Malus domestica). There are about 30 to 55 species of apple trees (depending on which type of botanical taxonomic classification method used), of which most are small flowering deciduous trees and some grow as shrubs. Species of the Malus genus are commonly known as crabapples, crab apples, crabs, or wild apples.