Coptis chinensis

wood

(records of Guangxi Traditional Chinese Medicine)

[synonym] Rhizoma Coptidis.

[source] it is the root and stem of Mahonia sinensis.

[plant morphology] Mahonia sinensis

Evergreen shrubs, 1-2 m high or higher, all glabrous and smooth. Stem stout, surface dark brown. It is composed of 5-7 leathery leaflets, elliptic, 6.5-7.5 cm long and 2.5-4 cm wide, apex acuminate, with sharp awn tip, 1-2 sharp teeth on both sides of the tip, base cuneate, and a pair of lower leaflets unequal in base. Raceme tufted at the top of branches, 10-20 cm long, numerous yellow flowers; bract 1, triangular, brown, about 1.5 mm long; sepal 9, yellow, petal shaped, arranged in 3 rounds, 3 pieces in each round; petal 6, smaller than inner sepal, rectangular round; stamen 6, filaments short rod-shaped; ovary superior, stigma capitate, flat. The berries are blue black. The flowering period is from May to June. The fruit period is from July to August.

[collection] it can be harvested all year round, with branches and leaves removed, washed and dried in the sun.

[herbal medicine] the stem is cylindrical, dark brown or grayish brown in surface, with shallow longitudinal grooves and transverse cracks. The young stem is smooth, often with protuberant leaf scars and petiole residues. The cork is loose, and yellow wood can be seen at the shedding place; the quality is hard and brittle, and the breaking surface is cracked, light yellow; the cross section is nearly round, the pith is light yellow, and the wood is yellow, and the rays are clear. The root is cylindrical, slightly twisted, with brown yellow surface, longitudinal furrow and branch root scar; it is hard, not easy to break, and the section is yellow.

The roots of Mahonia sudanensis, Mahonia banfuwa and Mahonia Dulong are also called Coptis chinensis or Coptis chinensis in Guangxi folk, and are used the same as this product.

[flavor] bitter, cold and nontoxic.

[Guijing] into the heart and liver meridian.

Functions and indications: clearing heart and stomach fire, detoxifying. It can be used to treat Yang Huang, heat dysentery and red eye, and external treatment of knife wound and fire scald. (the nature and taste are listed in Guangxi records of traditional Chinese Medicine)

[usage and dosage] oral: decoction, 2-5 yuan. External use: tamping.

[taboo] records of Guangxi Traditional Chinese medicine: "it should not be used when the body is weak due to deficiency of cold. "