Wild watermelon seedlings are annual herbaceous plants, all covered with fine soft hairs of varying density. The stem tip is soft, upright or slightly recumbent. The leaves at the base are nearly rounded, with toothed edges. The middle and lower leaves are palmate, with 3 to 5 deep lobes. The middle lobes are larger. The lobes are obovate-oblong, with blunt apex, and the edges have pinnate notches or large serrations.

The flowers are solitary in the leaf axils, and the pedicels are 2 to 5 cm long; the bracts are numerous, linear, and ciliate; the calyx is 5-lobed, membranous, with green longitudinal veins; the petals are 5, light yellow, with a purple heart; there are many stamens and filaments. They combine to form a cylinder and wrap the style; the ovary has 5 chambers, the top of the style has 5 lobes, and the stigma is capitate.

Many friends have expressed doubts about whether wild watermelon can be eaten. Experts believe that wild watermelon cannot be eaten because this plant contains toxins and is very hot. Eating it will cause harm to the human body, so friends must not Take wild watermelon directly.