Growing on exposed cliffs, waitakere coastline manukau harbour.
Fallen tree branch of a Streblus banksii canopy tree, in tawa/titoki forest. The leaves do look quite small, so I'm not sure if it is a hybrid of S. heterophyllus.
Photo 2. - Closeup of top of leaf
Photo 3. - Closeup of underside of leaf
Photo 4. - Overall tree.