Avocado
Avocado, also alligator pear, common name for a tree (see Laurel ), native to tropical America, and for the fruit of this tree. The fruit is a greenish, thick-skinned drupe, similar in size and shape to a large pear. When ripe, the flesh has the consistency of firm butter and a faint nutlike flavor. It has a high fat content, containing 10 to 20 percent oil, and is rich in protein. In the United States avocado is popular as a salad vegetable, and in the tropics it is often used in soup. The tree is extensively cultivated in the southern United States and California. Scientific classification: The avocado tree belongs to the family Lauraceae. It is classified as Persea americana.