Callery Pear (Bradford Pear)
A small to medium-sized tree with a compact, symmetrical, pyramidal or columnar shape that spreads to become oval with age. Many cultivars exist with slightly different characteristics; all contribute to the species' invasiveness.
Leaves alternate, simple, generally oval, to 3 inches long, with rounded teeth, glossy green, turning orange, gold, red, pink and/or purple in fall. Some cultivars develop patterns of colored circles and spots in autumn. Leaves bob in the wind on long leaf stems.
Bark gray-brown, smooth on young trees, splitting into scales with age.
Twigs thornless in cultivated trees, but in wild types the twigs end in thorns.
Flowers in early spring; abundant clusters of white flowers, 5-petaled, each to ¾ inch wide, unpleasant-smelling.
Fruits like tiny, hard apples, round, to ½ inch in diameter, greenish-yellow flecked with whitish spots, inedible, with 2–4 black seeds. After freezes they soften, darken, wrinkle and become palatable to birds.