Native to (or naturalized in) Oregon:
- Deciduous tree, 20-30 ft (6-9 m), upright, open. Leaves simple, alternate, 7.5-15 cm long, 5-7.5 cm wide, obovate or elliptic, coarsely crenate, dentate. Flowers in fall, yellow, fragrant, with four strap-like crumpled petals, each 1.3-1.7 cm long. Fruit is a dull orange capsule, 13 mm long, pubescent, 4 sharp curved points, ripens when flowers of the current season are expanding.
- Sun or shade. Somewhat tolerant of city conditions; prefers a moist soil, avoid extremely dry situations.
- Hardy to USDA Zone 3 Native from eastern Canada to Georgia, west to Nebraska and Arkansas.