Plants 30–60 cm, slender. Taproot 6–7 × 2–3 cm. Basal leaves petiolate, petioles 5–6 cm; blade oblong, 8–15 × 2–2.5 cm, 2–3-pinnate; primary pinnae 5–7 pairs; ultimate segments ovate-lanceolate or lanceolate, 1.5–2 × ca. 1 cm, margins irregularly laciniate. Umbels 3–5 cm across; peduncles 8–10 cm; bracts 5, oblong, 0.8–1 × ca. 0.3 cm, ciliate, apex cuspidate, usually reflexed; rays (8–)12–16, 1–3 cm, unequal; bracteoles 5, ovate, ca. 2.5 × 1 mm, ciliate or glabrous; pedicels 2.5–4 mm, pubescent. Petals ciliate. Fruit ca. 2 × 1 mm, pilose; vittae solitary or 2 in each furrow, 2 or 4 on commissure. Seed face plane. Fl. Aug–Sep, fr. Sep–Oct.

Coniferous forests, grassland at forest margins, streamsides, riparian weed communities; 3100–3400 m. SW Sichuan, SE Xizang.