» »
Lycium is a genus of 70 to 90 species belonging to the nightshade family, Solanaceae. The most common are L. barbarum and L. chinense, whose fruits, wolfberries, or goji berries, are a traditional food crop in China. Lycium are shrubs, often thorny, growing 1-4m tall. The leaves are small, narrow, and fleshy, and are alternately arranged, someti...