Radix Clematidis


The root and rhizome of Clematis chujensis Osbeck and the other species of the same genus, family Ranunculaceae.

Rhizome irregularly terete, with numerous slender fibrous roots at the lower part, 15 cm long. Root 0.1-0.3 cm in diameter, surface finely and longitudinally striated, cork grey-black. Easily broken. Section showing broad cortex and fine xylem, yellow-white, somewhat square. Acrid and salty in taste, warm in nature, and attributive to the twelve channels.

1. Expel wind and dampness, dredge the channel and alleviate pain: For arthralgia of wind-dampness type, especially those with numbness and muscular spasm; also for traumatic pain and toothache.
2. Disperse lumps and relieve swelling: For acute mastitis, mumps, sore-throat, conjunctivitis, keratitis, hordeolum, etc. In addition, also used for fishbone stuck in the throat, and for acute infectious hepatitis (used together with Radjy Glycyrrhizae).

Pharmacological Action
1. Inhibiting the growth of Staphylococcus aureus and Shigella dysentenae.
2. Protoanemonin antagonizes histamine-induced bronchospasm and ileospasm of guinea-pigs in vitro.

Administration Decoction:
15-30g; for mastitis and mumps, applied both orally and topically; for sorethroat, the whole plant is used; for fishbone stuck in the throat, 60-90g decocted with vinegar.
Extemal use: For eye diseases, crushed fresh herb or powder wrapped with cloth is put into the nostril opposite to the affected eye until irritating sensation is experienced, or applied on acupoint Neiguan opposite to the affected eye for 40 minutes.


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Mr. Wang Tao

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