Coprosma arborea - Mamangi H 6m x W 5m The largest Coprosma can form a large tree. It has olive coloured leaves turning yellow in winter. Birds love the glassy fruit on female plant. Sun or shade, moist or dry, exposed position. The most under-rated tree in the northern half of the North Island. This is a fantastic tree. It is often dominant in the canopy and provides heaps of clear glassy fruit for the birds. Every garden needs at least 3 to get both male and female plants.