Radix Morindae


The fleshy root of Morinda officinalis How, family Rubiaceae.

Root flat-terete, unequal in length, 1-2 cm in diameter. Cork dull grey, with annular dehiscences and exposed fine xylem, appearing as a catena. Cross section showing a thick, fleshy and purplish cortex, and a small, round, yellow-white xylem which occupies one fourth of the diameter, with slightly dentate margin. Sweet and acrid in taste, slightly warm in nature, and attributive to kidney and liver channels.

1. Warm the kidney and strengthen yang: For deficiency of kidney-yang manifested as impotence, emission, enuresis, frequent micturition and sterility.
2. Strengthen the tendons and bones, expel cold and dampness: For hypofunction of liver and kidney manifested as weakness of extremities, lassitude and cold pain of the waist and knees; or chronic rheumatism with arthralgia, weakness, cold pain of the joints, fatigue and pale tongue.

Pharmacological Action
1. Exerting androgen-like effect.
2. Promoting the luteinizing action of the hypothalamus-pituitary system.
3. Promoting the development of immature granulocytes.

Administration Decoction: 6-15g.


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Mr. Wang Tao

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