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Latin pharmacognostic name: Cyperi Rhizoma

Alternate English names: nut-grass [root]

Alternate Chinese names: 香附子 xiāng fù zǐ; 雀头香 què tóu xiāng; 香附米 xiāng fù mǐ; 莎草根 shā cǎo gēn

Kingdom: Plant

Origin in PRC Pharmacopoeia: Cyperus rotundus L. (PRC Pharmacopoeia)

Origin (other sources): Cyperus rotundus L.*

Use: Medicinal

Category: Qì-rectifying agents

Properties: Acrid, slightly bitter, slightly sweet; balanced.

Channel entry: Liver, spleen, and triple burner channels.

Indications:

• Courses the liver and rectifies qì: Qì stagnation causing rib-side pain or abdominal pain.
• Regulates menstruation and relieves pain: Depressed liver qì manifesting in menstrual irregularities, menstrual pain, and distending pain in the breast.

Dosage & Method: Oral: 6–12g in decoctions. Vinegar-processing strengthens its pain-relieving action.

Warnings: Contraindicated in qì vacuity without stagnation, in yīn vacuity, and in blood heat.

Quality: Large firm red rhizomes with a strong aroma are the best.

Product Area: Shāndōng, Zhèjiāng.

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