Native to (or naturalized in) Oregon:
- Deciduous tree/shrub, rounded, 15 x 15 ft (4.5 x 4.5 m). Leaves alternate, simple, elliptic to broadly ovate, 5-10 cm, tip acute, base rounded or subcordate, margin entire, dark green above, gray-downy below, may have rich yellow color in fall. Flower buds solitary, pink, flowers pink to white, 5 cm wide, appear in mid- to late-spring. Fruit round or pear-like, pubescent, light golden-yellow, 8 cm long, used in flavoring and preserves.
- Sun. Adaptable to a wide range of soils and climates, but will develop cholorsis in alkaline soils. It is apparently not suitable for warm, humid areas of the U.S.
- Hardy to USDA Zone 5. Native to Iran and Turkestan. Several cultivars, including 'Angers', 'Champion', 'Orange', 'Pineapple', and 'Smyrna'.
- Cydonia: from Cydonia, northeastern Create (now Khania); oblonga: oblong, the leaves.
- Oregon State Univ. campus: large tree directly across Jefferson Ave. from Kerr Administration.