Plants 30–50 cm, subglabrous. Root cylindrical. Stem erect, striate, 2–3-branched, base clothed in fibrous remnant sheaths. Basal and lower leaves petiolate; petioles 10–15 cm; blade triangular, 8–12 × 6–10 cm, ternate-3-pinnate, primary pinnae 5–7 pairs; ultimate segments ovate or ovate-lanceolate, 10–25 × 5–15 mm, margins irregularly serrate. Upper leaves smaller, 2-pinnate. Umbels terminal and lateral, 4–5 cm across; peduncles 15–20 cm; bracts absent or occasionally 1, linear; rays 15–20, subequal, 1–3 cm; bracteoles numerous, linear and hispid, margin not membranous. Calyx teeth conspicuous, triangular. Petals white, obovate or oblong-ovate, base cuneate. Styles ca. equal to stylopodium. Fruit ovoid; dorsal and intermediate ribs prominent, lateral ribs narrowly winged; vittae 3–4 in each furrow, 8 on commissure. Seed face slightly concave. Fl. Jul, fr. Aug.

Abies and Picea forests; above 3000 m. C and SE Xizang.