Description from Flora of China
Plants 60–120 cm. Root cylindric, 0.8–1.5 cm thick. Stem simple or little-branched. Petioles 8–12 cm, sheaths narrowly oblong; leaf blade triangular-ovate or oblong-ovate, 15–30 × 10–25 cm, 2-pinnate; leaflets subsessile, lanceolate or oblong-lanceolate to oblong-ovate, 1.5–7 × 0.5–4 cm, base slightly oblique, sometimes 1–2-minute-toothed, acutely serrate with white cartilaginous margin, apex acuminate, glabrous or hispidulous along nerves abaxially. Umbels 5–15 cm across; bracts 1, like uppermost leaves, deciduous; rays 12–30, 2–5 cm; bracteoles 3–5, linear; umbellules 15–30-flowered. Fruit 2.5–4 × 1.5–3 mm. Fl. Jul–Aug, fr. Sep–Oct.
Forests, shrubby thickets, meadows, damp grasslands, river banks; 300–700 m. Hebei, Heilongjiang, Jilin, Liaoning, Nei Mongol [Korea, Russia (Siberia)].