Camptocarpus crassifolius is a species of plant in the Apocynaceae family.

Its wedge to egg-shaped leaves are 25–30 by 6–8 millimeters with the broader part closer to the tip.

The tips of its leaves are blunt with a short sharp point that is 0.2 millimeters long.

Its Inflorescences occur at the junction between the leaves and stem and have rudimentary branches with 1–3 flowers.

The tooth-shaped, broad lobes of the petals have blunt tips and do not reach the top of the stamens.