Aegopodium henryi Diels

This species is treated as endemic to China as literature reports from NE India and Myanmar are here considered dubious.

Plants 50–100 cm. Stem stout, terete, shallowly fluted, hollow, branches spreading. Lower leaves petiolate, petioles 4–7 cm; blade broad-triangular, ca. 23 cm, ternate-3–4-pinnate; ultimate segments ovate or broad-ovate, 1.5–2.5 × 1–1.5 cm, base cuneate, margins and nerves roughened on both surfaces. Upper leaves reduced, ternate-pinnate. Umbels 3–5 cm across; peduncles 8–15 cm, apex roughened; rays 9–11, 3–4(–6) cm, slightly roughened; umbellules 0.8–1.4 cm across, many-flowered; pedicels 3–10 mm, unequal. Petals white. Styles 1–2 × stylopodium. Fruit oblong-ovoid to long-ovoid, ca. 3.5 × 2 mm. Fl. and fr. Jul–Aug.

Plants 45–100 cm. Stem terete, striped, subglabrous. Basal leaves long-petiolate, petioles 5–8 cm; blade broad-triangular, ca. 14 cm, ternate-2–3-pinnate; ultimate segments lanceolate, 1.5–4 × 0.8–1.5 cm, base subtruncate to cuneate, irregularly serrate, apex long-acuminate or caudate. Upper leaves smaller, pinnate, petioles wholly sheathing. Umbels 3.5–4 cm across; peduncles 6–20 cm; rays 8–18, 2.5–4.5 cm, roughened; umbellules ca. 1 cm across, many-flowered; pedicels ca. 4 mm, unequal. Petals white, obovate. Styles ca. 1 mm. Fruit oblong-ovoid or long-ovoid, 3–3.5 × 1.5–2 mm. Fl. and fr. Jun–Aug.

NE Guangxi (Longsheng), Guizhou, SW Hunan (Wugang), Zhejiang.

Gansu, W Hubei (Badong), Shaanxi, Sichuan.

Forests, among shrubs on valley sides; 800–1200 m.

Lower mountain slopes; 500–1700 m.