Herbs to 90 cm tall. Basal and lower cauline leaves petiolate; petiole 2–6 cm; blade ovate in outline, up to 15 × 18 cm; pinnae lanceolate to narrowly ovate, 2–15 × 2–8 cm. Peduncles 3–10 cm; bracts usually absent; rays 2–4(–5), 1–5 cm, stout and ridged, densely appressed-strigose; bracteoles 2–6, subulate, equal to or shorter than the pedicels; umbellules 2–6-flowered. Pedicels 3–8 mm, hirsute. Fruit usually dark green, occasionally tinged dark purple, oblong, 4–7 × 2–3 mm. Fl. and fr. Apr–Nov.

This species has reputed medicinal value.

Mixed forests on mountain slopes or in valleys, roadsides, especially in disturbed areas; 200–2400 m. Anhui, Fujian, Gansu, Guangdong, Guangxi, Guizhou, Hubei, Hunan, Jiangsu, Jiangxi, Shaanxi, Sichuan [Japan, Korea; introduced in North America].