Streblus banksii, commonly known as the large-leaved milk tree, is a species of plant in the family Moraceae that it endemic to New Zealand. S. banksii grows in areas of coastal and lowland forest where it will grow into a tree around 12 metres high. The leaves are 4 - 9 centimetres long and net-veined with a toothed edge. The tree flowers between September and November followed by the production of a bright red-orange fruit.