Two to six leaves of black wolfberry are clustered on the short branches. The leaves are thick and fleshy. The leaves are in the shape of strip lanceolate or strip oblanceolate. Some are in the shape of narrow lanceolate. The top of the leaves is round and blunt, the base is gradually narrow, and the two sides of the leaves sometimes curl down slightly.
Black day leaves are oval, 2.5 to 10 cm long, about 1.5 to 3 cm wide. The top of the leaves is sharp, the whole edge or irregular wavy teeth. The base of the leaves is wedge-shaped, gradually narrow, and finally the petiole is 2 cm long.
One or two black wolfberry flowers grow on short branches, with thin and thin pedicels, growing up about 0.5 to 1cm, narrow bell shaped calyx, growing up about 4 to 4mm, funnel-shaped corolla, light purple color, growing up about 1.2cm.
Black day corolla radial, petals 5, usually white.
Black wolfberry berries are purple black, globular, sometimes slightly depressed at the top, about 4 to 9 mm in diameter.
Black everyday berry is ball shape, diameter 2 to 5 millimeter, black purple after ripening..
