Pimpinella diversifolia DC.

This widespread and very variable species has reputed medicinal value in C China.

A common and a very variable species found in the hills from 1500-3000 m.

Plants perennial, 30–200 cm, pubescent throughout. Roots fibrous. Stem solitary, branched. Basal petioles 2–13 cm; blade ternate, leaflets ovate-cordate, 1.5–6 × 1–5 cm, margins coarsely serrate, rarely simple or 1-pinnate. Cauline leaves reduced upwards, 1-pinnate or 3-lobed, lobes narrow, lanceolate, often lacerate. Umbels 3–7 cm across; bracts 1–5, lanceolate, or absent; rays 6–15(–30), 1–4 cm; bracteoles 1–8, linear, 1–2 mm, shorter than pedicels; umbellules 3–6 mm across, 6–20-flowered; pedicels 1–3 mm, unequal. Calyx teeth obsolete. Petals white, obovate, hairy abaxially, base cuneate, apex with incurved lobule. Stylopodium conic; styles ca. 2–3 × stylopodium. Fruit ovoid, 1.3–1.6 × 1.3–1.6 mm, base cordate, surface shortly papillose-pubescent; vittae 2–3 in each furrow, 4–6 on commissure. Seed face plane. Fl. May–Sep, fr. Aug–Nov.

Perennial, pubescent, up to 1 m tall. Basal leaves sometimes simple, undivid¬ed, ovate to cordate; margin serrate; cauline leaves pinnate; leaflets 3-5, lanceo¬late to oval or ovate, margin serrate to laciniate. Involucral bracts lacking. Rays 5-20, 1-2.5 cm long, pubescent. Involucel of 4-6 linear bractlets or lacking. Petals white, outer larger. Fruit ovate to ovoid, 2 mm long, glabrous to puberu¬lous or pubescent; ridges not prominent; furrows 2-3-vittate; commissure 4-vittate. Inner seed face plane.

Fujian, Gansu, Guangdong, Guangxi, Hainan, Henan, Hubei, Hunan, Qinghai, Shandong, Shanxi, Sichuan, Taiwan, Xinjiang, Yunnan, Zhejiang [Afghanistan, Bhutan, Cambodia, India, Japan, Kashmir, Nepal, Pakistan, Sikkim, Vietnam].

Distribution: Afghanistan, Himalayas in W. Pakistan and India extending to China and Japan.

Forests, forest margins, montane thickets, montane scrub and grasslands, grassy slopes, streamsides; 200–3300 m.

Aegopodium burttii is a species of flowering plant in the family Apiaceae, native to northern Pakistan. An annual, it is found above the tree line.

Pimpinella diversifolia là một loài thực vật có hoa trong họ Hoa tán. Loài này được DC. miêu tả khoa học đầu tiên năm 1830.

三叶茴香（学名：Pimpinella diversifolia）为伞形科茴芹属下的一个种。