The efficacy and function of large-leaf chicken chrysanthemum

Large-leafed chicken chrysanthemum is a very familiar medicinal material with unusual effects and functions. It is the key to cure many diseases. Let's have a deeper understanding of large-leafed chicken chrysanthemum!

[Source] Medicinal material source: the root bark, stem or leaf of Vernonia macrophylla of the Asteraceae family.

[Original form] Vernonia macrophylla is a shrub or small tree, 5-8m tall. The branches are thick, cylindrical, and covered with light yellow-brown hairs. Leaves are alternate; petioles are short and wide, 10-18mm long, base often expanded into sheath-like, densely pubescent; leaves are large, obovate, obovate-oblong or lanceolate, 15-40cm long, 4-15cm wide, apex acute or obtuse, base gradually narrowed into a broad cuneate, margin deeply wavy or with sparse coarse teeth, rarely nearly entire, lateral veins 12-17 pairs, veinlets reticulate, veins protruding below, glabrous above or only sparsely pubescent in the midrib, pubescent along the veins below, with glandular dots. There are many capitulums, arranged at the branch ends in large leafless compound panicles that are more than 20 cm long. The panicles of the lower branches are 8-10 cm long, and the axis of the inflorescence is densely pubescent with yellow velvety hairs, sessile or with short stalks; the involucre is bell-shaped, with a diameter of 5-8 mm; the bracts are about 5 layers, imbricate, light brown or purple at the upper end, ovate-lanceolate, the outer layer is short and blunt, the inner layer is slightly pointed, and there are dense soft hairs and eyelashes on the outside; the receptacle is flat and has sockets; the flowers are light pink or light reddish purple, the corolla is tubular, 7-8 mm long, the tube is short, and the eaves are narrowly bell-shaped and glabrous. Achenes are cylindrical, about 4mm long, with 8-10 longitudinal ribs, glandular or more or less pubescent between ribs; pappus is white, short on the outer layer, rough and hairy on the inner layer, 8-9mm long. The flowering period is from October to April of the following year.

[Habitat distribution] Ecological environment: Growing in valley shrubs or mixed woods at an altitude of 800-1600m.

[Chemical composition] α-amyrin acetate, lupeol acetate, friedelin, epifriedelinol, α-amyrin and stigmasterol were isolated from the woody stem.

【Nature and flavor】 Bitter; Cool

【Functions and indications】Dispel wind; eliminate dampness; relieve stranguria; activate collaterals. It is used for wind-heat cold, rheumatoid arthritis, bloody urine, urinary tract stones, and traumatic injuries.

[Usage and Dosage] For oral use: decoction, root bark, 10-15g. For external use: take appropriate amount and mash the stems and leaves for application.

【Excerpt】 Chinese Materia Medica

Through the introduction of the Chinese medicinal herb large-leaf chicken chrysanthemum in the above article, we can clearly see that the Chinese medicinal herb large-leaf chicken chrysanthemum has many effects and functions. Therefore, in the future, everyone might as well learn more about Chinese medicines such as large-leafed coreopsis in their lives.