Ferula olivacea (Diels) H. Wolff ex Hand.-Mazz.

This species has reputed medicinal value.

Plants 30–60 cm, glabrous throughout, glaucous. Stem solitary, corymbose-branched, branches alternate, remote. Basal leaves short-petiolate; blade broadly ovate, 2–3-pinnatisect; ultimate segments broadly elliptic or ovate, pinnatifid, lobules elliptic or obovate, rather thick, veins elevated abaxially, base cuneate, decurrent, margin toothed, apex mucronate. Umbels terminal on stem and branches, ca. 12 cm across; bracts absent or few, linear, unequal, occasionally foliaceous, deciduous; rays 8–16, unequal; bracteoles linear, persistent; umbellules 10–20-flowered; pedicels unequal, 5–10 mm. Petals yellowish green. Stylopodium low-conic, base thickened. Fruit oblong or ellipsoid, ca. 10 × 5 mm; vittae 1 in each furrow, 2 on commissure. Fl. and fr. May–Jul.

NW Yunnan (Lijiang).

Forests, grassy slopes, rock crevices on valley sides; 3300–3800 m.