There are only 3 leaflets in the root of the bean, the petiole is 4 to 4.5cm long, with short villi, the leaflet is thick paper, oval, 8 to 9.5cm long, 3 to 5cm wide, the apex of the leaf is short acuminate or obtuse, and the base is wide wedge.
The leaves of honeysuckle are papery, ovate or oblong ovate, with sharp or gradual apex and round or subcordate base.
The root raceme is 6 to 10.5 cm long, the total pedicel is 3 to 3.5 cm long, the pedicel is 0.5 to 0.7 cm long, all of them are pubescent, the calyx cup-shaped, the lobes are blunt triangle, the Corolla is white, and the petals are long and round.
The total pedicel of honeysuckle is usually solitary in the upper leaf axils of small branches. The Corolla is white, sometimes the base is reddish towards the sun, and finally turns yellow.