Ligularia dahurica. ) hand. -Maz.

Alias; : rhubarb (Songpan, Sichuan)

Family: Compositae

Family: Compositae

Genus: Ligularia

Introduction: Perennial herbs. The stem is erect, stout, about 60 cm high, 65438 0 cm in diameter, grooved and densely short-haired. The lower petiole is long, the leaf blade is wide and round, kidney-shaped or heart-shaped, the base is often shield-shaped on the stalk, 30 cm wide, with irregular serrations and palmately veined; The middle leaf has a broad leaf sheath with an expanding stem; Upper leaves are broadly sheath-shaped; Petiole and veins are short and densely hairy. Most heads are arranged in a compound umbrella, with many branches, short stalks and filiform bracts; Involucre cylindrical, 6-8 mm long, with 5 involucres, strip-lanceolate, membranous at the edge, thick at the top, and several strip-shaped bracts outside; 4-6 small flowers, tubular, with eaves outside the involucre, yellow. Achenes are rectangular and cylindrical with narrow ends; The crown hair is white, about as long as the corolla tube. Distributed in southern Gansu, Sichuan, western Hubei, northern Yunnan and eastern Tibet. Mountain forests, stream banks, 3500-4000 meters above sea level. Songpan is called "rhubarb" and its root is used as medicine.

There are also two papers about Ligularia dahurica on the following websites:

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