The leaves of kidney bean are opposite single leaves, the shape is close to the heart shape, the leaflets growing on the top are wide ovate or rhomboid ovate, grow about 4 to 16 cm, width about 3 to 11 cm, the leaf apex is sharp, the base is round or wide cuneiform, the veins on both sides are villous, and the leaflets grow when the sides grow.
Concanavalis leaves are feathery compound leaves with 3 leaflets. The leaflets are ovate, about 8 to 15 cm long and about 8 to 12 cm wide. The apex of the leaves gradually becomes sharp, the base is wide wedge-shaped, and both sides of the leaves have small hairs.
The flower grows on the top of the total pedicel, the bracteoles are oblique, the Corolla is white, yellow, lavender or purple, and grows about 1.5 to 2 cm.
Concanavalis raceme, corolla white or pink. Petals wide oval
The pods are strip-shaped, slightly swollen, 10 to 15 cm long, about 1 cm wide, glabrous, straight or slightly curved. Four to eight seeds.
Concanavalis pods banded, slightly curved, 20 to 35 cm long, 4 to 6 cm wide, seeds elliptic or long elliptic, testa red or brown
