Leaflets elliptic-oblong, 5-17 x 3.5-6 mm, rounded at both ends rather than truncate; leaves and stems sparsely whitish-puberulous; reticulation of leaflets raised and rather evident; pods 3 x 7-5 x 5 cm long.
Climber. Inflorescence slender, straight or slightly curved. Pods flat or only slightly bulging over seeds. Seeds laterally compressed, entirely brown-black. Flowers pale purple to yellowish.