Plagianthus
Plagianthus is a genus of fifteen evergreen and deciduous species.
P.betulinus is a graceful tree growing to between 30-60 feet when in the wild, their height is usually around 40 feet when cultivated. It produces a large number of small white flowers and 3 inch long green leaves.
You should use a loamy soil and when planting, position the plant against a sheltered wall.
Plagianthus regius or lowland ribbonwood, below, is endemic to New Zealand.