Lindera root (Wuyao)
Lindera strychnifolia (Sieb. et Zucc.) Vill. (Fam. Lauraceae)
Pharmaceutical Name: Radix Linderae.
Botanical Name: Lindera
strychnifolia (Sieb. et Zucc.) Vill. (Fam.
Lauraceae)
Synonym: Lindera aggregata (Sims) Kosterm. (Fam. Lauraceae)
Common Name: Lindera root, Spicebush
root.
Source of Earliest Record: Bencao Shiyi
Part Used & Method for Pharmaceutical
Preparations: The roots are dug in August. After the fibrous roots and bark
have been removed, the roots are cut into slices and dried in the sun.
Properties & Taste: Pungent and
warm.
Meridians: Lung, spleen, kidney and
urinary bladder.
Functions: 1. To regulate qi and stop
pain; 2. To warm the kidneys and dispel cold.
Indications & Combinations:
1. Cold and qi stagnation: a) manifested
as stifling sensation in the chest and costal painLindera root (Wuyao) is used
with Trichosanthes fruit (Gualou), Curcuma root (Yujin) and Bitter orange
(Zhiqiao); b) manifested as epigastric and abdominal distension and painLindera
root (Wuyao) is used with Costus root (Muxiang); c) manifested as painful
swelling of testicles or scrotum, or hernia. Lindera root (Wuyao) is used with
Fennel fruit (Xiaohuixiang) and Green tangerine peel (Qingpi) in the formula
Tiantai Wuyao San; d) manifested as dysmenorrheaLindera root (Wuyao) is used
with Cyperus tuber (Xiangfu), Chinese angelica root (Danggui) and Chuanxiong
rhizome (Chuanxiong).
2. Kidney yang deficiency and deficiency and
cold of the urinary bladder manifested as frequent urination and enuresis.
Lindera root (Wuyao) is used with Bitter cardamom (Yizhiren) and Dioscorea
(Shanyao) in the formula Suoquan Wan.
3. For tightness in the chest and pain in
the hypochondriac region due to Stagnation of Cold and Qi, it is used with Bulbus Allii Macrostemi (Xie Bai), Pericarpium
Trichosanthis (Gua Lou Pi), Radix Curcumae (Yu Jin), and Radix Curcumae
Yanhusuo (Yan Hu Suo).
4. For distension and pain in the
epigastrium and abdomen due to Stagnation of Cold and Qi, it is used with Radix Aucklandiae (Mu Xiang), Fructus Evodiae
(Wu Zhu Yu), and Fructus Aurantii (Zhi Qiao).
5. For periumbilical colic due to invasion
by Cold, it is used with Fructus
Foeniculi (Xiao Hui Xiang), Radix Aucklandiae (Mu Xiang), and Pericarpium Citri
Reticulatae Viride (Qing Pi) in “The Linderae Powder” (Tian Tai Wu Yao San).
6. For dysmenorrhea due to Stagnation of
Cold and Qi, it is used with Rhizoma
Cyperi (Xiang Fu), Radix Angelicae Sinensis (Dang Gui), and Radix Aucklandiae
(Mu Xiang) in “The Linderae Decoction” (Wu Yao Tang).
Dosage: 3-10 g, decocted in water for
an oral dose.
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