1、 Leaf difference

Acacia pinnately compound leaves, 8 to 13 pairs of leaflets, membranous, opposite, nearly oblong, about 1 to 2 cm long, about 0.4 to 0.8 cm wide, truncated at the apex, with a small pointed head, nearly round at the base, glabrous above the leaves, sparse white rough villi below, and short petiole

Acacia bean leaves are two pinnate compound leaves with short stalks. The leaves are alternate, oblong or oval, 2.5 cm long, unlucky 3.5 cm, and the apex is blunt

2、 Flower difference

Acacia raceme axillary, 3 to 8 cm long, small flowers, dense head shaped, calyx bell shaped, corolla purplish red

Acacia bean is a raceme solitary in leaf axils or arranged into a panicle at the top of branches. Its flowers are small, white or lavender, and its petals have 5, which are lanceolate

3、 Fruit difference

Acacia seed pods are oblong, with leathery fruit petals, 2 to 3.5cm long and 0.5 to 1.5cm wide. They crack when mature. There are 2 to 6 li of seeds in them. The seeds are oval, 2 / 3 of the upper half is bright red, and 1 / 3 of the lower half is black, smooth and shiny

Acacia pods are oblong, 10 to 20 cm long and 1.2 to 1.4 cm wide. Seeds are nearly round or oval, bright red and shiny