 SCP-401 was discovered near the French city of Rue, when agents responded to reports of the ground bleeding. One led to the site. Investigators found a human mouth embedded in the soil, licking away the remaining blood with a long prehensile tongue. It was not until a week later that agents realized that the mouth was part of the root structure of what at first appeared to be a 40 meter tall dead eucalyptus tree, with branches shaped like multi-jointed human arms. The white color of the trunk, originally suggesting that the tree was dead, was found to be because the bark was made of human bone tissue. It was given SCP status and excavated from the area to be transported to site-