Punarnava has no tradition in western herbal medicine, but in Ayurveda.
The strengths of Punarnava lie in its draining effects. In India, Punarnava grows as a "weed" everywhere in damp soils. Punarnava is an annual plant with a sturdy rhizome. The very small flowers are reddish or white.
Studies: The whole plant of Boerhaavia diffusa L. (Nyctaginaceae) offers good medicinal properties. Some pharmacological effects have been demonstrated for this plant in chemical studies, including hepatoprotective, antifibrinolytic and anti-inflammatory activities.