Two to six leaves of black wolfberry are clustered on the short branches. The leaves are fleshy and nearly sessile. The leaves are strip lanceolate or strip oblanceolate, sometimes 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.
The leaves of Lycium barbarum are papery, single leaves alternate, or 2 to 4 clusters. The leaves are ovate, oblong, rhomboid or ovate lanceolate, with sharp top, wedge-shaped base, 1.5 to 5 cm long and 0.5 to 2.5 cm wide.
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.
The flowers of Lycium barbarum are solitary or twining in the axils of the leaves on the long branches. The pedicels are 1 to 2 cm long, the calyx is 3 to 4 mm long, the Corolla is funnel-shaped, about 9 to 12 mm long, and light purple.
Black wolfberry berries are purple black, globular, sometimes slightly depressed at the top, about 4 to 9 mm in diameter.
Medlar berries are red, ovoid, 7 to 15 mm, seeds yellow, flat kidney shaped
