Red head grass

Red head grass

(Yunnan Chinese herbal medicine)

[synonym] Honggen Baimao DaoTi pot (Yunnan Chinese herbal medicine).

[source] it is the whole plant of Compositae.

[plant morphology] see frost yellow

Annual erect herbs. It is 10-40 cm in height, densely villous and unbranched. Leaves alternate, oblanceolate elliptic, 1-3.5 cm long, 0.7-2 cm wide, leaf margin with irregular teeth; petiole 0.5-1.5 cm long, upper leaves nearly sessile. Capitate, arranged in compact panicles, terminal and subterminal axillary, lavender. Achene, apically densely white sericeous.

Born in the field, the edge of the river. It is distributed in Yunnan, Guangxi and other places.

[collection] Chung, summer collection. Cut and dry.

[chemical constituents] it is composed of diesters of angelic acid containing coniferol, a small amount of polyacetylene compounds 2 - (vinylbutyryl) - 5 - (propynyl) - thiophene and tridecyl-1-ene-3,5,7,9,11-pentayne. Leaves contain a lot of carotene.

[nature and taste] Yunnan Chinese herbal medicine: "bitter, cold. "

[functions and indications] 1. Guangxi medical plant directory: "treating traumatic swelling and pain. "

② Yunnan Chinese herbal medicine: "clearing away heat, detoxifying, anti-inflammatory. Treatment of children with pneumonia, tonsillitis, mumps, stomatitis, nameless swelling, skin itching. "

[usage and dosage] oral administration: decoction, 3-5 yuan; not long decoction.