HERB FORMULAS

BAI HE GU JIN TANG - 百合固金湯 - LILY BULB DECOCTION TO PRESERVE THE METAL

English: Lily Bulb Decoction to Preserve the Metal
Also Known As: Lily Combination
Decoction of Lilii for Strengthening the Lung

HERBS AND ACTIONS

Pharmaceutical Latin
Pin Yin
Dosage
Actions
Bul. Lilii Bai He 3-30g Moistens and nourishes the Lungs and clears Heat.
 With Shu Di Huang, for palpitations, irritability, insomnia, and dark, scanty urine due to lingering Heat.
With Sheng Di Huang and Shu Di Huang, nourishes and moistens the Lungs and Kidneys.
With Sheng Di Huang, Shu Di Huang and Xuan Shen, for cough with Blood-streaked sputum, hot palms and soles and night sweats from Lung and Kidney Yin Deficiency.
With Mai Men Dong, Xuan Shen and Chuan Bei Mu, for chronic dry cough and sore throat due to Lung Yin Deficiency.
Rx. Rehmanniae Sheng Di Huang 4-15g Tonifies the Kidneys, nourishes Yin, generates fluids, increases saliva, cools the Blood and stops bleeding.
With Xuan Shen, for dry throat, irritability, a red tongue and a thready, rapid pulse due to Yin Deficiency with Fire Flaring.
With Xuan Shen and Mai Men Dong, for dry throat, irritability, a red tongue, and a fast thready pulse due to Devastated Yin with Blazing Fire, excessive thirst, irritability, and a scarlet tongue due to Ying Stage Heat, swelling of the throat and lymph nodes and constipation due to Excess Heat with Yin Deficiency.
With Bai Shao, for Blood Deficiency Heat.
Rx. Rehmanniae Preparata Shu Di Huang 5-18g Tonifies Liver and Kidney Yin.
With Sheng Di Huang, treats Yin Deficiency with Fire Flaring.
Rx. Ophiopogonis Mai Men Dong 3-15g Moistens the Lungs, stops cough and nourishes Yin especially of the Upper Jiao.
With Xuan Shen, nourishes Yin and clears Heat.
With Xuan Shen, Jie Geng and Gan Cao, for itchy, dry throat, thirst and a nonproductive cough due to Lung Yin Deficiency.
With Sheng Di Huang, for hematemesis or epistaxis due to Yin Deficiency with Excess Heat.
Rx. Scrophulariae Xuan Shen 2.4-15g Clears Heat, cools the Blood and nourishes Yin.
With Bai He, for Yin Deficiency with Lung Dryness and a dry cough.
With Jie Geng and Gan Cao, for a sore throat with Dryness and pain.
Bul. Fritillariae Cirrhosae Chuan Bei Mu 3-10g Moistens the Lungs, transforms Phlegm, stops cough and clears Heat.
With Xuan Shen, clears Heat.
Rx. Platycodi Jie Geng 2-10g Moves Lung Qi, expels Phlegm and stops cough especially with Chuan Bei Mu.
With Gan Cao, disseminates Lung Qi, expels Phlegm, resolves toxicity, and expels pus for productive cough with hoarseness, pain and swelling of the throat due to Wind-Heat.
Rx. Angelicae Sinensis Dang Gui 3-12g Nourishes and invigorates the Blood.
With Bai Shao, nourishes Yin Blood and protects the Lungs against Liver attack.
With Shu Di Huang, for Heat symptoms due to Yin Deficiency and Devastated Blood.
Rx. Paeoniae Alba Bai Shao 3-12g Nourishes Blood and astringes Yin.
With Dang Gui, Shu Di Huang and Mai Men Dong, for tinnitus, dizziness, blurred vision, numbness of the extremities, and muscle spasms due to Liver Yin Deficiency.
Rx. Glycyrrhizae Gan Cao 1-6g Moistens the Lungs, clears Heat, stops cough and moderates and harmonizes the harsh properties of other herbs.
With Jie Geng, benefits the throat.

FORMULA ACTIONS

  • Nourishes Yin
  • Moistens the Lungs
  • Transforms Phlegm
  • Stops Cough
  • Clears Heat
  • Nourishes the Blood

SYNDROMES

  • Lung Yin Deficiency
  • Lung and Kidney Yin Deficiency with Fire Flaring

CLINICAL MANIFESTATIONS

  • Cough with blood streaked sputum
  • Wheezing
  • Dry, sore throat
  • Five sole Heat
  • Afternoon fever
  • Low grade fever
  • Malar flush
  • Irritability
  • Insomnia
  • Shortness of breath
  • Nocturnal emission
  • Steaming bones
  • Vivid dreaming
  • Fatigue
  • Tinnitus
  • Dizziness
  • Dyspnea
  • Dysphoria
  • Hoarseness
  • Night sweats
  • Maybe hemoptysis
  • Restlessness
  • Decreased urination
  • T: Red
  • C: Little or None
  • P: Thready and rapid

TREATS

CONTRAINDICATIONS AND HERB/DRUG INTERACTIONS

CONTRAINDICATIONS
  • Contraindicated for those with cough due to Excess conditions.
  • Use caution or those with Spleen Deficiency.
  • Use caution or those with Food Stagnation.
HERB/DRUG INTERACTIONS

NOTES

MODIFICATIONS

For copious sputum: For depletion of Fluids:
+ Sm. Trichosanthis Gua Lou Ren + Rx. Trichosanthis Tian Hua Fen
+ Cx. Mori Sang Bai Pi
For pulmonary tuberculosis:
For high fever with dark yellow sputum:
 + Rx. Bletillae Bai Ji
+ Rx. Anemarrhenae Zhi Mu + Hb. Agrimoniae Xian He Cao
+ Hb. Houttuyniae Yu Xing Cao + Fol. Callicarpae Zi Zhu
For Lung cancer with Yin Deficiency:
or
+ Hb. Houttuyniae Yu Xing Cao + Cx. Lycii Di Gu Pi
+ Rx. Paeoniae Rubra Chi Shao + Cx. Moutan Mu Dan Pi
+ Hb. Scutellariae Barbatae Ban Zhi Lian + Rx. Stemonae Bai Bu
+ Agkistrodon/ Bungarus Bai Hua She + Spica Prunellae Xia Ku Cao
For severe hemoptysis:
 + Fr. Schisandrae Wu Wei Zi
- Rx. Platycodi Jie Geng + Fr. Tritici Levis Fu Xiao Mai
+ Rz. Imperatae Bai Mao Gen + Fossilia Ossis Mastodi Long Gu
+ Hb. Agrimoniae Xian He Cao + Concha Ostreae Mu Li
or
or
- Rx. Platycodi Jie Geng - Rx. Angelicae Sinensis Dang Gui
+ Rz. Imperatae Bai Mao Gen + 15g Rx. Salviae Miltiorrhizae Dan Shen
+ Hb. Agrimoniae Xian He Cao
+ Cacumen Platycladi Ce Bai Ye + 12g Rx. Ophiopogonis Mai Men Dong
For wheezing and dyspnea due to profuse Phlegm:
+ 12g Rx. Stemonae Bai Bu
+ Drain the White Powder
Xie Bai San
+ 12g Rx. Scutellariae Huang Qin
+ 12g Fol. Mahoniae Shi Da Gong Lao Ye
For wheezing and dyspnea due to Heat:
or
+ Three Yellow Decoction to Sedate the Epigastrium
San Huang Xie Xin Tang
+ Carapax Platycladi Bie Jia
or
+ 30g Rx. Stemonae Bai Bu
For more Heat signs:
+ 18g Fol. Mahoniae Shi Da Gong Yao Ye
+ Rz. Anemarrhenae Zhi Mu + 15g Plastrum Testudinis Gui Ban
+ Hb. Houttuyniae Yu Xing Cao +10g Colla Corii Asini E Jiao
For severe night sweats:
+ 10g Cordyceps Dong Chong Xia Cao
+ Fr. Schisandrae Wu Wei Zi For tuberculosis due to Lung and Kidney Yin Deficiency with mild night sweats:
+ Fr. Tritici Levis Fu Xiao Mai
+ Calcined Concha Ostreae Duan Mu Li + 30g Rx. Stemonae Bai Bu
+ 18g Fol. Mahoniae Shi Da Gong Yao Ye
+ Rx. Ephedrae Ma Huang + 15g Plastrum Testudinis Gui Ban
For chronic wheezing:
+ Rx. Scutellariae Huang Qin +10g Colla Corii Asini E Jiao
+ Cx. Mori Sang Bai Pi + 10g Cordyceps Dong Chong Xia Cao
Fro Qi Deficiency:
+ one or two of the following
+ Rx. Codonopsis Dang Shen 15g Fr. Tritici Levis Fu Xiao Mai
+ Rz. Atractylodis Macrocephalae Bai Zhu 9g Rx. Ephedrae Ma Huang Gen
6g Fr. Schisandrae Wu Wei Zi
or
 6g Galla Rhois Chinensis Wu Bei Zi
- Rx. Scrophulariae Xuan Shen 12g Fr. Corni Shan Zhu Yu
- Rx. Rehmanniae Sheng Di Huang 15g Fossilia Ossis Mastodi Long Gu
+ 15g Rx. Astragali Huang Qi
+ 12g Rx. Pseudostellariae Tai Zi Shen 15g Concha Ostreae Mu Li
For tuberculosis due to Lung and Kidney Yin Deficiency with severe spontaneous sweating:
For nodules or polyps on the vocal cords:
+ 6-9g Rx. Paeoniae Rubra Chi Xiao + 30g Rx. Stemonae Bai Bu
+ 6-12g Cx. Moutan Mu Dan Pi + 18g Fol. Mahoniae Shi Da Gong Yao Ye
+ 3-9g Hb. Lycopi Ze Lan + 15g Plastrum Testudinis Gui Ban
+ 6-9g Rx. Curcumae Yu Jin
+ 3-9g Bul. Fritillariae Cirrhosae Chuan Bei Mu +10g Colla Corii Asini E Jiao
+ 9-12g Sm. Trichosanthis Gua Lou Ren + 10g Cordyceps Dong Chong Xia Cao
+ Oyster Shell Powder
Mu Li San
+ 6-15g Pumice Fu Hai Shi
For cough with a sore throat:
+ Jade Windscreen Powder
Yu Ping Feng San
+ Flos Lonicerae Jin Yin Hua For targeting the tuberculosis pathogen:
+ Rx. Isatidis Ban Lan Gen + 30g Rx. Stemonae Bai Bu
+ Fr. Arctii Niu Bang Zi + 18g Fol. Mahoniae Shi Da Gong Yao Ye
For cough with chest pain:
+ 15g Plastrum Testudinis Gui Ban
+ Fol Perillae Zi Su Ye +10g Colla Corii Asini E Jiao
+ Rz. Coptidis Huang Lian + 10g Cordyceps Dong Chong Xia Cao
+ Fr. Trichosanthis Gua Lou
+ choose two or three of the following:
For bronchiectasis:
Hb. Andrographitis Chuan Xin Lian
- Rx. Rehmanniae Preparata Shu Di Huang Rx. Scutellariae Huang Qin
Rz. Coptidis Huang Lain
- Rx. Platycodi Jie Geng Spica Prunellae Xia Ku Cao
+ 30g Rz. Imperatae Bai Mao Gen Flos Lonicerae Jin Yin Hua
+ 15g Hb. Agrimoniae Xian He Cao Bul. Allii Sativi Da Suan
For cough with hemoptysis:
Sm. Ginkgo Bai Guo
- Rx. Platycodi Jie Geng Rx. Sanguisorbae Di Yu
+ 10g Nodus Nelumbinis Ou Jie Per. Granati Shi Liu Pi
+ 5g Rx. Notoginseng San Qi Rx. Stemonae Bai Bu
or
 Benzoinum An Xi Xiang
- Rx. Platycodi Jie Geng For tuberculosis due to Lung and Kidney Yin Deficiency with bone steaming fever:
+ 10g Nodus Nelumbinis Ou Jie
+ 5g Rz. Bletillae Bai Ji + 30g Rx. Stemonae Bai Bu
For cough with prominent tidal or afternoon fever:
+ 18g Fol. Mahoniae Shi Da Gong Yao Ye
+ 10g Rx. Stellariae Yin Chai Hu + 15g Plastrum Testudinis Gui Ban
+ 15g Cx. Lycii Di Gu Pi
+ 9g Rx. Scutellariae Huang Qin +10g Colla Corii Asini E Jiao
For wheezing in atopic patients: + 10g Cordyceps Dong Chong Xia Cao
+ two or three of the following:
+ two or three of the following:
12g Sm. Cuscutae Tu Si Zi 9g Rx. Gentianae Macrophyllae Qin Jiao
12g Cx. Eucommiae Du Zhong
9g Sm. Juglandis Hu Tao Ren 15g Hb. Artemisiae Annuae Qing Hao
12g Fr. Psoraliae Bu Gu Zhi 15g Carapax Trionycis Bie Jia
For persistent hemoptysis: 9g Rx. Stellariae Yin Chai Hu
+ 18g Rz. Imperatae Bai Mao Gen 9g Rz. Picrorhizae Hu Huang Lian
+ 12g Nodus Nelumbinis Rhizomatis Ou Jie 12g Cx. Lycii Di Gu Pi
For tuberculosis due to Lung and Kidney Yin Deficiency with hemoptysis:
+ 9g Hb. Ecliptae Mo Han Lian
+ 12g Cacumen Platycladi Ce Bai Ye + 30g Rx. Stemonae Bai Bu
+ Yun Nan White Powder (patent medicine)
Yunnan Bai Yao
+ 18g Fol. Mahoniae Shi Da Gong Yao Ye
or + 15g Plastrum Testudinis Gui Ban
+ 18g Rz. Imperatae Bai Mao Gen
+ 12g Nodus Nelumbinis Rhizomatis Ou Jie +10g Colla Corii Asini E Jiao
+ 10g Cordyceps Dong Chong Xia Cao
+ 9g Hb. Ecliptae Mo Han Lian
+ one or two of the following in mild cases:
+ 12g Cacumen Platycladi Ce Bai Ye 18g Rz. Imperatae Bai Mao Gen
+ 3g Rx. Notoginseng San Qi 12g Rz. Bletillae Bai Ji
For hemoptysis with significant facial flushing: 9g Nodus Nelumbinis Rhizomatis Ou Jie
+ 18g Rz. Imperatae Bai Mao Gen 12g Hb. Agrimoniae Xian He Cao
+ 12g Nodus Nelumbinis Rhizomatis Ou Jie 12g Cacumen Platycladi Ce Bai Ye
+ 9g Hb. Ecliptae Mo Han Lian 9g Hb Cirsii Xiao Ji
+ 12g Cacumen Platycladi Ce Bai Ye 6g Crinis Carbonisatus Xue Yu Tan
or
+ 12g Rz. Anemarrhenae Zhi Mu
+ Chinese Patent Medicine
Yunnan Bai Yao
For tuberculosis due to Lung and Kidney Yin Deficiency with recurrent hemoptysis:
12g Cx. Phellodendri Huang Bai
For a sore throat and a hoarse voice:
+ 30g Rx. Stemonae Bai Bu
+ Rx. Asparagi Tian Men Dong + 18g Fol. Mahoniae Shi Da Gong Yao Ye
+ Rz. Anemarrhenae Zhi Mu + 15g Plastrum Testudinis Gui Ban
or
+ Rx. Stemonae Bai Bu +10g Colla Corii Asini E Jiao
+ Spica Prunellae Xia Ku Cao + 10g Cordyceps Dong Chong Xia Cao
+ Rx. Bletillae Bai Ji
+ Tuberculosis and Hemoptysis Formula
Zhi Fei Jie He Ke Tan Xue Fang
For a more severe cough and dyspnea:
+ Sm. Armeniacae Xing Ren For tuberculosis due to Lung and Kidney Yin Deficiency with mild coughing:
+ Fr. Schisandrae Wu Wei Zi
+ Flos Farfarae Kuan Dong Hua + 30g Rx. Stemonae Bai Bu
For thick, yellow sputum:
 + 18g Fol. Mahoniae Shi Da Gong Yao Ye
+ Fr. Trichosanthis Gua Lou + 15g Plastrum Testudinis Gui Ban
+ Caul. Bambusae in Taeniam Zhu Ru
For fullness and distention of the chest and hypochondriac region:
+10g Colla Corii Asini E Jiao
+ 10g Cordyceps Dong Chong Xia Cao
+ Fr. Aurantii Immaturus Zhi Shi
+ choose two or three of the following:
+ Rx. Bupleuri Chai Hu 9g Sm. Armeniacae Xing Ren
For swollen glands:
12g Cx. Mori Sang Bai Pi
+ Rx. Trichosanthis Tian Hua Fen 6g Fr. Aristolochiae Ma Dou Ling
+ Succus Bambusae Zhu Li 9g Flos Farfarae Kuan Dong Hua
For hemoptysis:
 For tuberculosis due to Lung and Kidney Yin Deficiency with distressing chest pain:
+ Cx. Moutan Mu Dan Pi + 30g Rx. Stemonae Bai Bu
+ Rz. Imperatae Bai Mao Gen + 18g Fol. Mahoniae Shi Da Gong Yao Ye
For severe Heat:
 + 15g Plastrum Testudinis Gui Ban
+ Rz. Anemarrhenae Zhi Mu
+ Cx. Phellodendri Huang Bai +10g Colla Corii Asini E Jiao
For chronic laryngitis:
 + 10g Cordyceps Dong Chong Xia Cao
+ 10g Periostracum Cicadae Chan Tui + 12g Fr. Luffae Si Gua Luo
+ 9g Rx. Curcumae Yu Jin
+ 10g Fr. Chebulae He Zi + 6g Fr. Schisandrae Wu Wei Zi
+ 10g Sm. Oroxyli Indici Mu Hu Die For tuberculosis due to Lung and Kidney Yin Deficiency with mild nocturnal emission:
For chronic laryngitis, hoarseness and loss of voice due to Qi, Blood and Phlegm Stagnation:
+ 30g Rx. Stemonae Bai Bu
+ 6-9g Rx. Paeoniae Rubra Chi Shao + 18g Fol. Mahoniae Shi Da Gong Yao Ye
+ 6-12g Cx. Moutan Mu Dan Pi + 15g Plastrum Testudinis Gui Ban
+ 3-9g Hb. Lycopi Ze Lan
+ 6-9g Rx. Curcumae Yu Jin +10g Colla Corii Asini E Jiao
+ 3-9g Bul. Fritillariae Cirrhosae Chuan Bei Mu + 10g Cordyceps Dong Chong Xia Cao
+ choose two or three of the following:
+ 9-12g Sm. Trichosanthis Gua Lou Ren 15g Concha Ostreae Mu Li
15g Fossilia Ossis Mastodi Long Gu
+ 6-15g Pumice Fu Hai Shi 12g Fr. Rosae Laevigatae Jin Ying Zi
For cough with insomnia:
9g Stamen Nelumbinis Lian Xu
+ Concretio Bambusae Silicea Tian Zhu Huan 9g Rz. Corydalis Yan Hu Suo
For tuberculosis due to Lung and Kidney Yin Deficiency with severe nocturnal emission:
For cough with constipation:
+ Sm. Trichosanthis Gua Lou Ren + 30g Rx. Stemonae Bai Bu
For pneumothorax:
+ 18g Fol. Mahoniae Shi Da Gong Yao Ye
- Rx. Rehmanniae Preparata Shu Di Huang + 15g Plastrum Testudinis Gui Ban
- Rx. Angelicae Sinensis Dang Gui
+ Rx. Glehniae/ Adenophorae Sha Shen +10g Colla Corii Asini E Jiao
+ Fol. Eriobotryae Pi Pa Ye + 10g Cordyceps Dong Chong Xia Cao
+ Per. Trichosanthis Gua Lou Pi
+ Metal Lock Pill to Stabilize the Essence
Jin Suo Gu Jing wan
For severe cough:
+ 9g Rx. Stemonae Bai Bu For hemoptysis with severe night sweats:
+ 9g Rx. Asteris Zi Wan + 18g Rz. Imperatae Bai Mao Gen
+ 9g Flos Farfarae Kuan Dong Hua + 12g Nodus Nelumbinis Rhizomatis Ou Jie
For cough with thick, deeply-rooted mucus:
+ 9g Hb. Ecliptae Mo Han Lian
+ 3g Concha Cyclinae Ge Qiao + 12g Cacumen Platycladi Ce Bai Ye
For wheezing with significant spontaneous perspiration or night sweats:
+ 30g Concha Ostreae Mu Li
+ 15g Rx. Astragali Huang Qi + 12g Sm. Tritici Levis Fu Xiao Mai
+ 15g Concha Ostreae Mu Li + 9g Rx. Ephedrae Ma Huang Gen
+ 9g Rx. Ephedrae Ma Huang Gen For hemoptysis with afternoon or bone-steaming fever:
+ 12g Sm. Tritici Levis Fu Xiao Mai + 18g Rz. Imperatae Bai Mao Gen
For hemoptysis: + 12g Nodus Nelumbinis Rhizomatis Ou Jie
+ 18g Rz. Imperatae Bai Mao Gen
+ 12g Nodus Nelumbinis Rhizomatis Ou Jie + 9g Hb. Ecliptae Mo Han Lian
+ 12g Cacumen Platycladi Ce Bai Ye
+ 9g Hb. Ecliptae Mo Han Lian + 12g Cx. Lycii Di Gu Pi
+ 12g Cacumen Platycladi Ce Bai Ye + 9g Rx. Cynanchi Bai Wei
+ 15g Hb. Artemisiae Annuae Qing Hao
For pulmonary tuberculosis with severe Lung Dryness:
For night sweats:
- Rx. Angelicae Sinensis Dang Gui + 9g Fr. Schisandrae Wu Wei Zi
+ 15g Rx. Salviae Miltiorrhizae Dan Shen For pulmonary tuberculosis with hacking of Blood:
+ 12g Rx. Ophiopogonis Mai Men Dong - Rx. Angelicae Sinensis Dang Gui
+ 12g Rx. Stemonae Bai Bu + 15g Rx. Salviae Miltiorrhizae Dan Shen
+ 12g Rx. Scutellariae Huang Qin
+ 12g Fol. Mahoniae Shi Da Gong Lao Ye + 12g Rx. Ophiopogonis Mai Men Dong
+ 12g Rx. Glehniae Bei Sha Shen
 + 12g Rx. Stemonae Bai Bu
+ 12g Hb. Dendrobii Shi Hu + 12g Rx. Scutellariae Huang Qin
+ 9g Rz. Polygonati Yu Zhu + 12g Fol. Mahoniae Shi Da Gong Lao Ye
For pulmonary tuberculosis with a tidal fever and malar flushing: + 30g Hb. Agrimoniae Xian He Cao
+ 12g Ophicalcitum Hua Rui Shi
- Rx. Angelicae Sinensis Dang Gui + 9g Rz. Bletillae Bai Ji
+ 15g Rx. Salviae Miltiorrhizae Dan Shen For pulmonary tuberculosis with thick, yellow difficult-to-expectorate Phlegm:
+ 12g Rx. Ophiopogonis Mai Men Dong - Rx. Angelicae Sinensis Dang Gui
+ 12g Rx. Stemonae Bai Bu + 15g Rx. Salviae Miltiorrhizae Dan Shen
+ 12g Rx. Scutellariae Huang Qin
+ 12g Fol. Mahoniae Shi Da Gong Lao Ye + 12g Rx. Ophiopogonis Mai Men Dong
+ 15g Carapax Trionycis Bie Jia + 12g Rx. Stemonae Bai Bu
+ 12g Cx. Lycii Di Gu Pi + 12g Rx. Scutellariae Huang Qin
+ 9g Rx. Cynanchi Bai Wei + 12g Fol. Mahoniae Shi Da Gong Lao Ye
For tongue pain with a dry mouth: + 9g Pumex Fu Shi
+ 10g Hb. Dendrobii Shi Hu + 9g Per. Trichosanthis Gua Lou Pi
For tongue pain with restlessness: For tongue pain with Five-Sole-Heat:
+ 10g Sm. Zizyphi Spinosae Suan Zao Ren + 10g Rz. Picrorhizae Hu Huang Lian
+ 10g Hb. Artemisiae Annuae Qing Hao
+ 10f Fr. Schisandrae Wu Wei Zi
For tongue pain with a dry cough: For tongue pain with night sweats:
+ 6g Hb. Menthae Bo He + 10g Ootheca Mantidis Sang Piao Xiao
+ 10f Fr. Schisandrae Wu Wei Zi + 15g Concha Ostreae Mu Li
For a sore throat associated with AIDS/HIV: For a sore throat associated with AIDS/HIV with Qi Deficiency:
+ Cx. Moutan Mu Dan Pi
    + Cx. Moutan Mu Dan Pi
    + Rx. Codonopsis Dang Shen
    + Rx. Astragali Huang Qi
    + Rz. Atractylodis Macrocephalae Bai Zhu
   
    + Rz. Dioscoreae Shan Yao