 The leaves are made up of 9 to 13 pairs of lance-shaped or elongated oval leaflets that may measure up to 4 centimeters in length.The inflorescence is a one-sided raceme of up to 15 or 20 flowers which have pale pink to dark reddish purple or sometimes yellowish to orange corollas.The flowers, each with a calyx about half as long as the corolla, are 1 to 2 centimeters long.