Oreocnide pedunculata, the purple woodnettle or longpedicel woodnettle, is a species of flowering plant in the family Urticaceae, native to south-central and southern Japan, the Ryukyu Islands, and Taiwan. A shrub or small tree tall, it is found growing in valleys and forest edges at elevations ranging from . Its leaves are an important food source for Formosan rock macaques (Macaca cyclopis) and Japanese macaques (Macaca fuscata).