Artemisia annua L

Artemisia annua L

(Tang materia medica)

[synonym] Crotalaria (northeast botanical medicine atlas), Artemisia selengensis (northeast commonly used Chinese herbal medicine manual), Crotalaria (North commonly used Chinese herbal medicine manual).

[source] it is the whole plant of Artemisia ordosica.

[plant morphology] Artemisia annua

Annual herb, 35-100 cm high. Stem erect, longitudinally furrowed and angular. Leaves alternate; leaves 2-3 pinnate, ultimate lobes narrowly linear, 0.5-1.5 cm long, 2-3 mm wide, apex acute, entire, subcleathery; petiole 1-3 cm long. Inflorescence terminal sparse raceme; usually with 3-5 flowers, sometimes 1 flower, single stem apex; bracts 3, conical; pedicel short; calyx campanulate, 5-lobed, apex acute; corolla funnel-shaped, purple, apex 5-lobed, lobes obtuse round, the lowest one smaller; stamens 4, 2-strong, filamentous; ovary superior, 2-locular, stigma 2-lobed. Capsule long angular, slightly curved outward, 5-10 cm long, about 4 mm in diameter, 2-lobed at maturity. Seeds numerous, rounded or oblong, winged around. The flowering period is from June to July. The fruit period is from July to August.

It grows on hillsides, fields and roadsides. It is distributed in Northeast, North and southwest China.

[collection] from July to August, the stems and leaves were cut and dried.

[medicinal material] it is a dry whole grass with cylindrical stem, many branches, light green to yellowish green surface, slightly with fine edges or longitudinal lines, smooth. Most of the leaves are broken or shed. The upper part of the stem has a capsule arranged in a racemose, more dehiscent, with septa inside; the seed is flat, with membranous wings. The stem is brittle, easy to break, and the section is yellow white. The air is weak and the taste is light.

This product is used in Liaoning, Jilin, Inner Mongolia, Hebei, Shandong, etc. See "Tougu grass".

[nature and taste] 1. Tang materia medica: "the taste is hard, flat and poisonous. "

② Yilin zuanyao: "hard work, cold.". "

[function indications] it is used to treat mouth sore, gingival ulceration, ear sore, eczema, scabies and vaginal trichomoniasis.

① "Tang Materia Medica" said: "the main Gan Shi Xia evil sores have insects. "

② "Heilongjiang commonly used Chinese herbal medicine manual": "treat dry and wet skin rash, vaginal trichomoniasis, scabies, gingival decay and ear sores, burn ash and rub. Rheumatic arthralgia, muscle pain, decoction fumigation. "

[usage and dosage] external use: burning, grinding, mixing, or frying, fumigating and washing.

[prescription selection] ① Zhichi jinxuanlu: apply cornwort ash to Jinjian at night to make it full, and don't eat oil. (Qian Jin Fang)

② Treatment of mouth sore for a long time, into the chest and sore: Horn wormwood ash application. If you have juice, you can't swallow it. (Qian Jin Fang)

③ Treatment of pediatric aphthous ulcer: Horn wormwood ash sticking sore. (Xiao'er Gong Qi Fang)

④ Treatment of ear sores: Artemisia ash mixed with good. (Linhu jijianfang)