The source is from the root of Morinda officinalis How, family Rubiceae. The medicinal material is mainly produced in Guangdong, Guangxi, and Fujian, etc., available all year round. The one after being dried, steamed, and its wood centre removed is named as Bajirou. It is cut into fragments and dried, used crudely or soaked in a salty solution. Medicinal Properties Sweet and pungent in flavor, slightly warm in nature, and attributive to the kidney and liver meridians. Actions Nourish kidney-yang, strengthen tendons and bones, and eliminate wind and dampness. Application 1. It is applied for deficiency of kidney-yang manifested as impotence, sterility, irregular menstruation, or cold pain in lower abdomen. In the case of impotence and sterility, it is used with Renshen (Radix Ginseng), Shanyao ( Rhizoma Dioscoreae ), and Roucongrong ( Herba Cistanchis), etc.; for cold pain in lower abdomen or irregular menstruation, used with Gaoliangjiang (Rhizoma Alpiniae Officinarum ) , Rougui ( Cortex Cinnamomi ), Wuzhuyu (Fructus Evodiae), etc., such as Baji Wan (Pill). 2. For deficiency of kidney-yang accompanied by lumbago or fatigue, it is used with Bixie (Rhizoma Dioscoreae), Duzhong ( Cortex Eucommiae), etc., such as Jingang Wan (Pill). Usage and Dosage 3 - 9 g is used in decoction. Notes It is not suitable for the case with deficiency of yin causing hyperactivity of yang or for that with damp-heat
