<Li> Persea persea (L .) Cockerell </Li> <Li> Persea steyermarkii C.K. Allen </Li> <P> The avocado (Persea americana) is a tree, long thought to have originated in South Central Mexico, classified as a member of the flowering plant family Lauraceae . The fruit of the plant, also called an avocado (or avocado pear or alligator pear), is botanically a large berry containing a single large seed known as a "pit" or a "stone". </P> <P> Avocados are commercially valuable and are cultivated in tropical and Mediterranean climates throughout the world . They have a green - skinned, fleshy body that may be pear - shaped, egg - shaped, or spherical . Commercially, they ripen after harvesting . Avocado trees are partially self - pollinating and are often propagated through grafting to maintain a predictable quality and quantity of the fruit . </P>

Do avocados grow on a tree or bush