The leaves are membranous, oval, oblong or wide, about 6.5 to 9.5 cm long and 4 to 8 cm wide. The top of the leaves is short and gradually sharpened, the base is heart-shaped, the veins have fine hairs, the petioles are 1.5 to 5 cm long, and the top will cluster 3 to 5 small glands.
Nocturnal flowers are umbrella shaped cymes, usually axillary, with more than 30 flowers growing. The peduncle of the inflorescence is 5 to 15 mm long, with micro hairs. The flowers are fragrant. The lobes of the calyx are oblong lanceolate, with micro hairs on the outside. The inner surface of the calyx has 5 small glands. The Corolla is yellow green, in the shape of a high foot saucer, and the Corolla is cylindrical
