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Alternate English names: Job’s tears root

Kingdom: Plant

Origin in PRC Pharmacopoeia: Coix lachryma-jobi L. var. ma-yuen (Roman.) Stapf. (PRC Pharmacopoeia)

Origin in unofficial sources: Coix lachryma-jobi L.; Coix lachryma-jobi L. var. ma-yuen (Roman.) Stapf* [= C. ma-yuen Roman.; and C. lachryma-jobi L. var. frumentacea Mak.]

Use: Medicinal

Category: Water-disinhibiting dampness-percolating agents / Water-disinhibiting swelling-dispersing agents

Properties: Bitter and sweet; cold; nontoxic*.

Channel entry: Spleen and bladder channels.*

Actions and indications:

• Clears heat and disinhibits dampness: Heat strangury; blood strangury; water swelling; pulmonary welling-abscess (fèi yōng).
• Kills worms: Worm accumulation with abdominal pain.

Dosage and method: Oral: 10–15g; 30–60g if using the fresh product.

Warnings: Contraindicated in pregnancy.

Production area: Most parts of China, and notably Fújiàn, Héběi, and Liáoníng.

See: Yì yǐ rén (薏苡仁 Coicis Semen, coix [seed])

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