Native to (or naturalized in) Oregon:
- Broadleaf deciduous tree, to about 80 ft (25 m) tall, pyramidal, dense foliage. Bark gray-brown, smooth. Leaves alternate, simple, narrow-elliptic to oblong-lanceolate, 6-12 cm long, 7-11 lateral veins on each side of midrib, tip acuminate, base wedge-shaped, margin remotely serrate, blade glabrous (without hairs) or pubescent when young, dark green, light green below; petiole 1.5-2.5 cm long. Male (pollen) catkins in small clusters at stem tips, about 5-8 cm long at pollination. Female flower catkins 2-3 cm long, erect; mature seed cones large, egg-shaped, 2.5-3 cm long.
- Sun to partial shade, apparently not fussy about soil type, grows in wet and infertile soils.
- Hardy to USDA Zone 5 Native to far eastern Russia, China (Anhui, Hebei, Henan, Jiangsu, Jilin, Liaoning, Shandong), Korea and Japan.
- Oregon State Univ., Peavy Arboretum