Medicinals

hǔ zhàng / 虎杖 / 虎杖 / bushy knotweed [root];

Latin pharmacognostic name: Polygoni Cuspidati Rhizoma

Alternate English names: Japanese knotweed [root]; giant knotweed [root]

Alternate Chinese names: 虎杖根 hǔ zhàng gēn

Origin: Plant

Use: medicinal

Category: Blood-Quickening Stasis-dispelling agents / Blood-quickening pain-relieving agents

Properties: Bitter; cold.

Channel entry: liver, gallbladder, and lung channels.

Indications:

Dosage & Method:

Oral: 10–30g, used as a decoction. Externally, it is either decocted and used as a wash or pounded to a pulp (if the fresh form is used). Other topical applications make use of the powdered form, mixed with sesame oil.

Warning:

Contraindicated in pregnancy.

Quality:

Thick rhizomes with solid hearts are the best.

Product Area:

Central and southern regions of China.

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