Dioscorea hypoglauca, Bi Xie 萆薢 Tokoro, Fish-Poison Yam Dioscorea Bi XieGujin Tushu Jicheng (古今圖書集成) (1700-1725)(Uploaded by 維基小霸王) (Wikimedia) Dioscorea tokoro(Photo by Qwert1234) (Wikimedia) Botanical name: Dioscorea collettii var. hypoglaucaRelated species used include: D. futschauensis (Fu Zhou Mian Bi Xie) D. gracillima (Xian Xi Shu Yu) D. septemloba (Mian Bi Xie) D. tokoro (Shan Bi Xie) Parts used: Rhizome Temperature & Taste: Neutral. Slightly Bitter Uses: 1. Clears Turbid Damp:-Turbid Damp in the lower abdomen-Cloudy Urine-Gonorrhea or Leukorrhea with white discharge-Ulcers from Damp-Heat-‘Improves Impotence with Incontinence’ (Ming Yi Bie Lu)-used for these problem from Deficiency, Damp, or Damp-Heat2. Clears Wind-Damp, Relaxes the Sinews, Relieves Pain:-Wind-Damp  joint pain, with or without Heat-arthralgia of the Lumbar and Knees-numbness of stiffness in the legs and feet-‘Arthralgia due to Wind, Cold and Damp’. (Shen Nong Ben Cao)-‘paralysis of the aged with blood stasis in the joints’ (Ming Yi Bie Lu)-Epilepsy, Vertigo, Apoplexy (Da Ming)3. Clears Damp-Heat:-damp-heat affecting the skin; Eczema, pustular Sores-‘Fistula and Malignant Sores’ (Li Shi Zhen)-‘interior damage due to excessive Anger’ (Ming Yi Bie Lu) Dose: Decoction: 9–15 gramsPowder: 1–3 grams Preparation: 1. Wine-Fried Dioscorea Bi Xie:  Soaked in wine, or sprayed with wine, before being dry-fried until almost dry and yellowish, then…

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