Heracleum hemsleyanum Diels

Heracleum (Heracleum Hemsleyanum Diels) is a member of the UMBELLIFERAE, a genus of perennial plant that can reach up to 1.5 meters in height. Root branches conic, yellowish. Stem cylindric simple, hollow, leaves membranous, lower leaves of the stem one to two pinnate division, smaller leaflets on both sides, nearly oval, upper leaves of the stem ovate, margin with irregular serrate. Umbels terminal and lateral. Inflorescences nearly smooth; involucral bracts few, Long Lanceolate, involucral bracts linear-lanceolate, pilose. Each umbellate inflorescence has flowers, petiole slender; calyx teeth inconspicuous; Petals White, stylopodium short conical, style short, stigma capitate. Fruit suborbicular, clavate, Brown, may-july flowering, aug.-sept. . Distributed in Sichuan, Hubei, China. Growing in the Dank undergrowth of the hillside. Solitary root for medicinal purposes. Can treat wind-cold damp arthralgia, waist and knee ache disease.

Characteristics：Perennial plant, up to 1-1.5 metres high. Roots Conic, branched, yellowish. Stems simple, cylindric, hollow, with Longitudinal grooves and grooves. Leaves membranous, lower stem leaves 1-2 pinnate, 3-5 Lobes, sparsely hirsute, especially in veins more, apical lobes broadly ovate, 3-divided, 8-13 cm long, leaflets smaller on both sides, subovate, 3-lobed, margin Cuneate serrate and mucronate; upper stem leaves ovate, 3-lobed to 3-parted, 3-8 cm long, 8-10 cm wide, margin irregularly serrate. Umbels terminal and lateral. Peduncle 22-30 cm long, nearly smooth; involucre few, long Lanceolate, 1-2 cm long, Ca. 1 mm wide; rays 16-18, unequal, 2-7 cm long, sparsely pilose; involucre 5-8, linear Lanceolate, 2-3.5 cm long, 1-2 mm wide, pilose. Each small Umbel has about 20 flowers, petiole slender; calyx teeth inconspicuous; Petals White, dimorphic; stylopodium short conic, style short, stigma capitate. Fruit suborbicular, 6-7 mm long, Dorsal and middle ribs linear, lateral ribs winged. Tubules 1 in each dorsal furrow, clavate, Brown, half or slightly longer than the length of SCHIZOCARP, tubules 2 in commissure. Flowering may-july, fruiting August-september.