Chinese wolfberry (Lycium barbarum) belongs to Solanaceae (the Nightshade family). It is a small deciduous tree that is native to China, with present-day range across Asia and southeast Europe. It has been cultivated in China, along the fertile aggradational floodplains of the Yellow River, for more than 600 years. This tree growing 1-3 m in height, and has weak arching branches. The leaves are green, lanceolate, and arranged in alternate or in bundles of up to three. Clustered leaves are up to 25 mm long, and the single alternate leaves are up to 55 mm long. The flowers bloom in groups of 1-3 in the leaf axils from June through September. The sepals are whitish on the lower side and deep mauve on the top side. The fruit is a bright orange-red, ellipsoid berry 1-2 cm in diameter. The fruit is used as a food and a medicine. It is also called "Chinese Ning Xia wolfberry".