Plants perennial, 50–100 cm, puberulent. Root fusiform. Stem solitary. Basal and lower petioles 5–8 cm; blade ternate or ternate-1–2-pinnate; ultimate segments broad-ovate, 4–6 × 1–2 cm, base cuneate or truncate, margins irregular serrate. Upper leaves smaller, 3-lobed, lobes lanceolate. Umbels 2–4.5 cm across; bracts 0 or 1–2, linear, ca. 7 mm; rays 8–16, 2–2.5 cm, subequal, pubescent; bracteoles 2–5, linear, shorter than pedicels; umbellules 5–9 mm across, 15–20-flowered; pedicels 1–4 mm. Calyx teeth obsolete. Petals white, obovate, apex with incurved lobule. Stylopodium low-conic; styles 1–1.5 × stylopodium, spreading or reflexed. Fruit ovoid-globose, ca. 1.5 × 2 mm, sparsely pubescent; vittae 3 in each furrow, 4 on commissure. Seed face plane. Fl. Jul–Aug, fr. Sep–Oct.

Montane forests; 1500–2200 m. Hong Kong (Lo Fall Shan), SE Yunnan (Wenshan) [Vietnam].