The adult carapace is 20-24cm long. The carapace is slightly flat, and the length and width of the larvae are about 10%, and the length and width of the adults are longer than the width; the center ridge of the back is very obvious in larvae, but becomes less obvious with age; the rear edge of the carapace is serrated, especially in larvae.
The plastron is narrow, the front end is flat or rounded, and the rear end has 3 notches: the thoracic shield groove is the longest, and the humeral shield groove or laryngeal shield groove is the shortest; The nail bridge is short and obvious; in adults, there is ligament development between the lingual plate and the lower plate of the plastron. The denticulate turtle has three well-developed ribs.
In general, their body color is brown, ranging from brown to reddish brown, or even black-brown. The plastron is also brown or brown, and there may be brown-black patches on each scute. As a box turtle, it has a plastron joint that can be closed. There are small but obvious nail bridges on both sides of the body, intersecting the carapace and plastron. The hatchlings are quite flat, similar to the Asian Leaf Turtle, but the adults are much taller.
The color varies greatly. Typically, the dorsal and ventral carapace are all brown, and each scute of the plastron has black radiating lines. The radiation pattern of the film is often not clear.
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