1、 Leaf difference

Black Lycium barbarum has 2 to 6 leaves clustered on short branches. The leaves are fleshy and almost sessile. The leaves are strip lanceolate or strip inverted lanceolate, 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 slightly downward

The leaves of Lycium barbarum are papery, with alternate single leaves, or 2 to 4 clusters. The leaves are oval, long oval, oval rhombic, or oval lanceolate, sharp at the top, wedge-shaped at the base, 1.5 to 5 cm long and 0.5 to 2.5 cm wide

2、 Flower difference

One or two black wolfberry flowers grow on short branches. The pedicel is thin and thin, about 0.5 to 1 cm long. The calyx is narrow bell shaped, about 4 to mm long. The Corolla is funnel-shaped, light purple, about 1.2 cm long

The flowers of medlar are solitary or twin on the long branches and in the leaf axils. The pedicel is 1 to 2 cm long, the calyx is 3 to 4 mm long, and the Corolla is funnel-shaped, about 9 to 12 mm long, light purple

3、 Fruit difference

Black wolfberry berries are purplish black, spherical, sometimes slightly concave at the top, with a diameter of about 4 to 9 mm

Medlar berries are red, egg shaped, 7 to 15 mm, yellow seeds, flat kidney shaped