Description from Flora of China
Angelica rubrivaginata H. Wolff; Drymoscias forbesii (H. de Boissieu) Koso-Poljansky; D. franchetii (H. de Boissieu) Koso-Poljansky; Notopterygium forbesii H. de Boissieu.
Plants 80–180 cm. Root stout, with clusters of rootlets; caudex tuberous, strongly aromatic. Leaves ternate-2–3-pinnate; petiole 3–8 cm; blade to 25 × 35 cm; pinnae 2–3 pairs, proximal pinnae long-petiolulate; ultimate segments oblong-ovate, 3–8 × 1–3 cm, base obtuse or cuneate, puberulous on veins and margins. Leaves reduced upwards to 3 leaflets, sheaths broadly ovate. Umbels 5–14 cm across; peduncles 5–25 cm; bracts 1–3, linear-lanceolate, 0.5–1.5 cm; rays 10–17(–23), 3–12 cm; bracteoles 4–5, linear, 3–4 mm, very short; umbellules many-flowered; pedicels 0.5–1 cm. Calyx teeth ovate-triangular, ca. 0.5 mm. Petals pale yellow or yellowish-green, obovate, apex inflexed. Fruit oblong-ellipsoid, ca. 5 × 4 mm; vittae 3–4 in each furrow, 4 on commissure. Fl. Jul–Aug, fr. Aug–Sep.
The rootstock and root are used in some districts instead of Notopterygium incisum for the important traditional medicine “qiang huo.”
Forest margins, scrub; 1700–4800 m. Gansu, Hubei, Nei Mongol, Qinghai, Shaanxi, Shanxi, Sichuan, Yunnan.