Peucedanum dielsianum Fedde ex H. Wolff

The root is used in Chongqing as a regional substitute, known as “zhu jie fang feng,” for the traditional Chinese medicine “fang feng” (see Saposhnikovia divaricata).

Plants 60–90 cm, essentially glabrous. Rootstock elongate, woody, bearing annular leaf scars. Basal leaves several; petioles rigid; leaf blade broadly triangular, 3-pinnatisect, pinnae 5–7 pairs; ultimate segments ovate-lanceolate (sometimes oblong or linear), base cuneate or decurrent, 1–3-toothed or -lobed, 1–3(–4) × 0.4–1.5 cm, thinly coriaceous, abaxially glaucous. Umbels 4–8 cm across; peduncles stout; bracts absent or occasionally 1–2, linear, membranous; rays 12–26, unequal, 1–4 cm, 4-angled, inner faces scaberulous; bracteoles 2–4, linear or subulate, shorter than flowers; umbellules 10–20-flowered. Calyx teeth obsolete. Petals white. Fruit long-ellipsoid, 3–5 × 2.5–3 mm, glabrous; lateral ribs broadly winged, wings rather thick; vittae 1–2 in each furrow, 4–6 on commissure. Fl. Jul–Aug, fr. Sep–Oct.

Chongqing, SW Hubei.

Moist rocky slopes; 600–1500 m.