Urtica angustifolia also commonly called the East-Asian nettle is a species of plant in the family Urticaceae. POWO lists is as a synonym of Urtica dioica var. holosericea.
Urtica angustifolia is a perennial plant that grows up to 1.5 meters. It flowers from June to August and seeds ripen from August to October.
Urtica angustifolia is native to Hebei, Heilongjiang, Jilin, Liaoning, Inner Mongolia, Shandong, Shanxi, Japan, Mongolia, Korea, Russia (Russian Far East, Siberia). It grows in moist places in forests, thickets, steam banks.