宽叶羌活 kuan ye qiang huo

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.

Forest margins, scrub; 1700–4800 m. Gansu, Hubei, Nei Mongol, Qinghai, Shaanxi, Shanxi, Sichuan, Yunnan.

The rootstock and root are used in some districts instead of Notopterygium incisum for the important traditional medicine “qiang huo.”