Chuanwu

Chinese Name: Chuanwu

Class: root

Aconite root

[alias]: Geer flower, iron flower and five poisons.

[source]: it is the female root of Aconitum carmichaeli DEBX.

[harvesting]: from late June to late August, the seed roots, fibrous roots and sediment were removed and dried in the sun.

[character and taste]: the root is irregularly conic, slightly curved, with residual stem at the top, expanding to one side in the middle, 2-7.5cm in length and 1.2-2.5cm in diameter. The surface is brown or grayish brown, with traces of nodular lateral roots and subroots. It has solid quality, white or light grayish yellow cross section, and polygonal ring pattern of cambium. The Qi is weak, and the taste is pungent and numb. It is hot in nature, pungent and bitter in taste, and poisonous.

[plant morphology]: perennial herb. Stem erect, lower smooth glabrous, upper scattered a few appressed pilose. Leaves alternate, petiolate; leaves ovate, palmately 3-lobed, bilateral lobes 2-lobed, margin coarsely toothed or notched. Raceme terminal, inflorescence axis and floret ridge densely pubescent; flowers blue purple, sepals 5, upper sepals high galeate, 2-2.6cm high, lateral sepals 1.5-2CM long; petals 2, long claws, 0.1-0.3cm long; stamens many; carpels 3-5. There are 3-5 bony processes. The flowering period is from June to July and the fruiting period is from July to August.

[growing place]: growing on grass slope or shrub in mountain area. It is mainly produced in Sichuan and Shaanxi.

Among them, there are benzoylacetine, aconitine, etc.

[processing] remove impurities from raw Radix Aconiti, and mash it.

[inspection] the total ash content shall not exceed 9.0% (Appendix IX K). The acid insoluble ash content shall not exceed 2.0% (Appendix IX K).

[nature, taste and meridian tropism] it is pungent, bitter and hot; it has great poison. Heart, liver, kidney and spleen meridians.

[function and indications] dispelling wind and removing dampness, warming meridian and relieving pain. Used for wind cold dampness arthralgia, joint pain, cold abdominal pain, cold hernia pain, anesthesia pain.

[usage and dosage] generally used after processing.

[note] oral administration of raw products should be cautious.

It is not suitable to be used with Fritillaria, pinellia, Bletilla, Cayratia japonica, trichosanthin, Trichosanthes and rhinoceros horn.

[storage] store in a well ventilated and dry place to prevent moths.