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Latin pharmacognostic name: Drynariae Rhizoma

Alternate Chinese names: 毛姜 máo jiāng

Kingdom: Plant

Origin in PRC Pharmacopoeia: Drynaria fortunei (Kunze) J. Sm. (PRC Pharmacopoeia)

Origin (other sources): Drynaria fortunei (Kunze) J. Sm.*; Drynaria baronii (Christ) Diels; Drynaria propinqua (Wall.) J. Sm.; Davallia mariesii Moore; Pseudodrynaria coronans (Wall.) Ching; Davallia orientalis C. Chr.; Phymatodes lucida (Roxb.) Ching

Use: Medicinal

Category: Supplementing agents / Yáng-supplementing agents

Properties: Bitter; warm.

Channel entry: Liver and kidney channels.

Indications:

• Supplements kidney yáng and strengthens sinew and bone: Kidney vacuity with lumbar pain, weakness of the legs, deafness and tinnitus, toothache, and/or enduring diarrhea.
• Quickens the blood and joins sinew and bone: Injury from knocks and falls, incised wounds, damage to sinew and bone, stasis with swelling and pain.
• Additional uses: Gǔ suì bǔ may also be used externally to treat vitiligo.

Dosage & Method: Oral: 10–15g in decoctions. Also used externally.

Warnings: Use with care in yīn vacuity with internal heat or in the absence of static blood.

Product Area: Guǎngdōng, Sìchuān, Húběi.

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