Kava’s succulent, thick stems vary in color from green to black.
Piper methysticum has been the basis of religious and social rituals in the South Pacific for hundreds of years.
Photography by steven foster
Milk thistle has been used to treat liver disease for more than 2,000 years; Hildegard of Bingen mentioned its use in her twelfth-century herbal.
Saw palmetto helped shrink prostate tisuue by an average of 7 percent in a recent study.
Red clover, one of the richest sources of phytoestrogens, has been found to increase arterial elasticity in menopausal and perimenopausal women.
An aggressive plant that covers some 500,000 acres of the southeastern United States, kudzu has been found to suppress alcohol-loving hamsters’ desire to drink.