Malus sylvestris found that current populations of "M. pumila" are more closely related to "M. sylvestris" than to "M. sieversii". However, in more pure strains of "M. pumila" the "M. sieversii" ancestry still predominates. The flowers are hermaphrodite and are pollinated by insects. Its leaves are food of the caterpillars of the twin-spotted sphinx ("Smerinthus jamaicensis") and possibly the hawthorn moth ("Scythropia crataegella"). Malus sylvestris Malus sylvestris, the European crab apple, is a species of the genus "Malus", native to Europe. Its scientific name means "forest apple" and the truly wild tree has thorns. Wild apple has an expanded crown and often
Malus angustifolia Malus angustifolia Malus angustifolia, or southern crabapple, is a species of crabapple native to the eastern and south-central United States from Florida west to eastern Texas and north to New Jersey, Pennsylvania, Illinois and Missouri. "Malus angustifolia" is a tree sometimes attaining a height of 10 meters (33 feet). The trunk can have a diameter up to 25 cm (10 inches). Flowers are pink, with a pleasant scent. The fruits are up to 3 cm (1.2 inches) in diameter, and have an aromatic scent and a pear-like shape. They are astringent and acidic and not palatable when raw, but can