Eden Apothecary · Herb Profile
Anemarrhena asphodeloides
Also known as Zhi Mu
Pronounced Anemarrhena (Zhi Mu): an-em-uh-REE-nuh; jr-MOO (Mandarin, roughly 'jer-moo'). Anemarrhena asphodeloides: an-em-uh-REE-nuh ass-foh-del-OY-deez.
Cold and moistening: a bitter, sweet rhizome that drains fierce Stomach and Lung fire while nourishing yin and generating fluids, cooling the steaming-bone heat of burnt-down reserves.
Insufficient reliable human data; avoid unless directed by a qualified practitioner. Anemarrhena is a cold, fire-draining herb, traditionally used with caution in pregnancy, and controlled human pregnancy safety and reproductive-toxicity data are lacking; given the absence of data the prudent course is to avoid. Source: AHPA Botanical Safety Handbook, 2nd ed. (Gardner and McGuffin, 2013), Anemarrhena asphodeloides; Bensky, Clavey and Stoger, Chinese Herbal Medicine: Materia Medica, 3rd ed.; NCCIH (limited data).
Insufficient reliable data; avoid unless professionally supervised. No reliable data describe transfer of timosaponins or mangiferin into breast milk or effects on the nursing infant. Source: AHPA Botanical Safety Handbook, 2nd ed. (2013); NCCIH (no data).
Not established for self-care; use only under professional supervision. Anemarrhena appears in pediatric TCM formulas prescribed by trained practitioners but is not a casual home remedy, and modern pediatric safety and dosing data are lacking, especially given its cold nature and tendency to loosen the stool. Source: AHPA Botanical Safety Handbook, 2nd ed. (2013); Bensky, Clavey and Stoger, Materia Medica, 3rd ed.; NCCIH (insufficient data).
Cold and cloying: because it is cold and moistening it readily weakens digestion and can cause loose stools, poor appetite, and abdominal fullness in anyone with weak or cold digestion, so it is avoided in that setting or paired with warming, spleen-supporting herbs. It has documented blood-sugar-lowering activity, so people on antidiabetic medication should watch for additive hypoglycemia. The acute high-fever and steaming-bone patterns it is reached for can signal serious infection or systemic disease, so it belongs within a full diagnosis rather than being used for undiagnosed fever. Salt-processed material (yan zhi mu) is preferred for guiding the herb to the Kidney to clear deficient fire; raw material is preferred for draining excess Stomach and Lung fire.
Spleen and Stomach deficiency cold with chronic loose stools or diarrhea; yang deficiency and interior cold; known hypersensitivity. Use caution with antidiabetic drugs (additive glucose lowering). Reliable human data are lacking in pregnancy and lactation, so avoid or use only under professional supervision. Undiagnosed high or persistent fever is a matter for medical diagnosis, not self-treatment.
Anemarrhena asphodeloides is widely cultivated for the herb trade across northern China and is not considered globally threatened; it is an East Asian species and is not on the United Plant Savers at-risk list, which covers North American plants. The main sourcing concerns are botanical authenticity and freedom from pesticide and heavy-metal residues; buy cultivated rhizome from suppliers who provide identity and contaminant testing.
Not in canonical biblical texts and unknown to the ancient Mediterranean world. Native to northern China, Korea, and Mongolia; first recorded in the Shennong Ben Cao Jing (Han dynasty, c. 200 CE), where Zhi Mu is listed among the cooling, fluid-generating herbs, and used continuously in Chinese medicine for roughly two millennia as a chief herb for febrile heat and yin-deficient fire.
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