1、 Leaf difference

The leaves of green beans are opposite, simple, nearly heart-shaped, and the terminal leaflets are broad ovate or rhombic ovate, about 4 to 16 cm long and about 3 to 11 cm wide. The apex of the leaves is acute, the base is round or wide wedge-shaped, the veins on both sides are long with pilose, and the leaflets growing on the side are oblique

Lentils have pinnately compound leaves. The leaflets are wide triangular ovate, 6 to 10 cm long, about the same width as the growth, with lateral leaflets, unequal sizes on both sides, and the apex is acute or acuminate

2、 Flower difference

A raceme of green beans with flowers growing at the top of the total pedicel, oblique bracts, white, yellow, lavender or purple corolla, about 1.5 to 2 cm long

Lentil raceme, 15 to 25 cm long, the axis of the inflorescence is thick, the Corolla is white or purple, and the petals are round

3、 Fruit difference

The pods of green beans are strip-shaped, slightly inflated, 10 to 15 cm long and about 1 cm wide, glabrous, straight or slightly curved in shape. 4 to 8 seeds

Lentil pods are oblong sickle shaped, flat, wide near the top, about 5 to 7 cm long and about 1.4 to 1.8 cm wide. Three to five seeds