Evodia, Wu Zhu Yu Evodia, Wu Zhu Yu 吴茱萸 Evodia Wu Zhu Yu (TCM) Evodia ruticarpaSiebold & Zuccarini, Flora Japonica, (1875) Evodia ruticarpaPhoto by Rudolphous (Wikimedia) Botanical name: Evodia ruticarpa (syn. E. rutaecarpa, E. officinalis), E. rutaecarpa var. oficinalis, E. rutaecarpa var. bodinieri Parts used: Fruit Temperature & Taste: Hot, dry. Pungent, Bitter. Slightly Toxic Classification: M. Warm to Expel Cold Uses: 1. Warms the Stomach, Clears Cold, Moves Qi, Eases Pain:-Epigastric pain, Nausea, Vomiting from Cold and Qi obstruction of the Stomach-also Hernia associated with Cold2. Directs Qi Downwards:-Acid regurgitation, Vomiting-also for Hypertension (Chinese Pharmacopoeia)3. Warms the Spleen, Clears Cold-Damp, Stops Diarrhea:-Diarrhea from Cold and weakness (especially that occurring early in the morning)-Fluid swelling in the legs4. Clears Cold, Moves the Blood, Promotes Menstruation:-Amenorrhea, Dysmenorrhea from Coldness of the Uterus-Infertility from Kidney cold5. Externally:-Mouth and Tongue Ulcers, powder the herb, mix with Vinegar, apply to the soles of the feet to guide Fire downwards Dose: Decoction: 1–4 gramsPowder (processed): 500mg–2 grams Correctives: Licorice Preparation: 1. Unprocessed Fruit (Sheng Wu Zhu Yu) is generally only used externally2. Bland Evodia (Dan Wu Zhu Yu):  Soak once or twice in decoction of Licorice, then sun-dry. This reduces toxicity and lessens its heat.…

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