Leptospermum emarginatum

About

Leptospermum emarginatum, commonly known as the twin-flower tea-tree or twin flower teatree, is a species of shrub that is endemic to south-eastern Australia. It has rough bark on the older stems, lance-shaped leaves with the narrower end towards the base and a small notch at the tip, white flowers in groups of up to five and hemispherical fruit that falls off when mature.

Summary from Wikipedia