Callery Pear, Bradford Pear
Kingdom: Plantae, Division: Tracheophyta, Class: Magnoliopsida, Order: Rosales, Family: Rosaceae, Genus: Pyrus, Species: Pyrus calleryana · Rosaceae (Rose family) · Simple, deciduous leaf

Species
Pyrus calleryana
Leaf Type
Simple, deciduous leaf
Family
Rosaceae (Rose family)
Shape
Ovate to broadly ovate with an acute to acuminate tip
Size
Approximately 2 to 3 inches long and 1.5 to 2 inches wide, which is typical for mature leaves of this species
Margin
Finely crenate-serrate
Arrangement
Alternate
Rarity
Very Common, frequently encountered as an urban street tree and naturalized along roadsides and abandoned fields
Color & Pattern
Vibrant medium to dark green upper surface with a slightly paler lower surface; glossy finish with no variegation, turning brilliant shades of red, purple, and orange in autumn
Venation Pattern
Pinnate venation with a prominent pale midrib and branching secondary veins
Texture & Surface
Glabrous (smooth) and glossy on the upper surface with a leathery feel
Description
Pyrus calleryana is a medium-sized deciduous tree known for its dense, upright, and pyramidal growth habit. In early spring, it erupts into masses of showy white flowers before the leaves fully emerge. The glossy green leaves provide dense shade through summer and transition into brilliant, multicolored foliage in the fall. Its smooth, gray-brown bark develops shallow fissures with age.
Key Features
Glossy, leathery ovate leaves with finely scalloped-toothed margins, alternate arrangement, prominent wavy-edged petioles, and a profusion of showy white spring blossoms with a distinctive, often unpleasant scent
Habitat
Adaptable to a wide range of soils including clay, loam, and sand; thrives best in full sun and well-draining soils but notorious for tolerating urban pollution, compacted soils, and drought
Geographic Range
Native to China and Taiwan; widely introduced and planted as an ornamental street tree across North America where it has become aggressively invasive in many regions
Condition Notes
The leaves appear healthy, vibrant green, and well-hydrated with water droplets visible on the surface. No signs of fungal disease, chlorosis, or insect damage are present. Overall health grade: Excellent
Interesting Facts
Originally imported to the United States in the early 20th century to help combat fire blight affecting commercial pear crops, the popular cultivars like 'Bradford' famously lack structural strength, leading to major branch breakage during storms. Furthermore, cross-pollination among different cultivars has created invasive wild populations that crowd out native flora.
Medicinal & Uses
Primarily used as an ornamental landscaping and street tree due to its tolerance of harsh urban environments. The fruit is small, hard, and mostly consumed by wildlife rather than humans. It has no significant traditional medicinal uses.
Ecological Role
Provides early spring nectar for pollinators and small fruits consumed by birds, which subsequently spread the seeds. However, due to its aggressive invasive nature in North America, it often disrupts native plant communities and outcompetes local flora.
Similar Species
Can be confused with other pear species (Pyrus) or native crabapples (Malus), but distinguished by its extremely glossy, leathery leaves with wavy margins and smooth petioles, as well as its specific dense branching habit.
Foraging Tips
Look in suburban landscapes, highway medians, and disturbed woodland edges where invasive cultivars and their offspring frequently form dense thickets. Best identified in spring by the abundant white flowers or in autumn by the glossy leaves turning brilliant red and purple.
Toxicity Warning
Non-toxic. The foliage and small woody fruits are safe for humans and animals, though the fruit is generally astringent, hard, and unpalatable.