The leaves of pseudoacacia are simple, herbaceous, with a petiole about 4 to 15 cm long and a width about 1.5 to 7.5 cm. The apex of the leaves gradually becomes sharp, the base of the leaves is broad wedge-shaped, and the edge has irregular serrations and waves.
The leaves are thick, oval or heart-shaped, 6 to 15 cm long and 4 to 10 cm wide. The top is short and gradually sharp. The base of the leaves is symmetrical and heart-shaped. The whole leaves or a few inconspicuous sharp teeth grow densely on both sides of the leaves. The petioles are about 2 to 5 cm long.
The flowers are solitary in the axils of the leaves and purplish. The calyx has 5 deep cracks. The base of the lobes is heart-shaped. The Corolla is funnel-shaped, with a diameter of about 3cm. There are 5 Purple plaques in the inside of the flower tube.
The flowers of the lantern fruit are axillary, the pedicel grows about 1.5cm, the calyx is broad bell shaped, and the hairs are densely growing like the pedicel, growing about 7 to 9mm, the lobes are lanceolate; the Corolla is broad bell shaped, growing about 1.2 to 1.5cm, the diameter is 1.5 to 2cm, yellow and the throat has purple stripes, there are 5 lobes, the lobes are close to a triangle
The capsule of pseudomucilage is spherical, with a diameter of about 2 cm, surrounded by 5 persistent sepals.
The diameter of the fruit is about 1 to 1.5 cm. When it is mature, it is yellow. There is a thin paper calyx outside the fruit, which is ovoid, light green or light yellow.