E' senz'altro una Coprosma. Escluderei però C. grandifolia. Più verosimile (a mio giudizio) C. robusta o C. lucida (They are near identical except that the central vein of lucida is slightly raised on the top surface and robusta is not.) http://www.terrain.net.nz/friends-of-te-henui-group/table-1/karamu.html