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Zingiberis Rhizoma Vetum
Old ginger
老姜 〔老薑〕 lǎo jiāng
Alternate English names: old gingerroot
Kingdom: Plant
Origin in PRC Pharmacopoeia: Zingiber officinale (Wild.) Rosc. (PRC Pharmacopoeia)
Origin in unofficial sources: Zingiber officinale (Willd.) Rosc.
Use: Medicinal
Notes: This the mature rhizome of ginger, picked in March and April, and August through December.
See: Shēng jiāng (生姜 Zingiberis Rhizoma Recens, fresh ginger)
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