Native to (or naturalized in) Oregon:
- Deciduous tree, 25-35 ft (7.5-10.5 m) tall, ascending branches with nodding ends, often with a rounded crown. Leaves alternate, simple, ovate to broadly ovate, about 4-8 cm wide and long, acuminate pointed, base truncated or heart shaped, coarsely serrated, serrations triangular, sometimes deeply cut and almost lobed, glossy dark green above and paler below (easy to distinguish from other Tilia). Fall color is bright yellow to an unattractive dark gold. Flowers pale yellow, many per cluster, from bracts about 4 cm long. Fruit to 6-8 mm, bluntly pointed, finely pubescent.
- Sun. Tolerates heat and drought. Reportedly flowers are narcotic to bees.
- Hardy to USDA Zone 3b. Native to China, Mongolia and far eastern Russia.
- Eugene, Oregon: University of Oregon campus.