Fibraurea tinctoria

The plant is used in Indonesian traditional medicine, primarily because it contains berberine, an isoquinoline alkaloid under preliminary research to identify its possible properties. During a field observation, a male Sumatran orangutan, known to researchers as Rakus, chewed vine leaves and applied the masticated plant material to an open wound on his face. According to primatologists who had been observing Rakus at a nature preserve, "Five days later the facial wound was closed, while within a few weeks it had healed, leaving only a small scar." ==References==