林当归 lin dang gui

Plants perennial, 0.8–2 m. Root conic, thick, slightly aromatic. Stem 1–2.5 cm thick, ribbed, pubescent below umbel. Basal and lower leaves petiolate, petioles long, sheaths ovate to saccate-inflated; blade broadly triangular-ovate, 2–3-pinnate; leaflets sessile, lanceolate to ovate, 2.5–8 × 1–4 cm, base cuneate, margin serrulate, slightly hispidulous along nerves. Umbels 10–20 cm across; bracts absent or 1–2, linear, deciduous; rays 15–30, pubescent; bracteoles many, linear, as long as pedicels. Calyx teeth obsolete. Petals white, ovate to obovate. Fruit broad-ovoid, 5–6 × 3.5–5 mm; dorsal ribs filiform, lateral ribs winged; vittae 1 in each furrow, 2 on commissure. Fl. Jun–Jul, fr. Aug–Sep. n = 11*.

Forest margins, damp grasslands, marshy areas, river banks; 900–1100 m. Xinjiang [Russia (Siberia); C and N Europe].

The roots have reputed medicinal properties.