Stunning Spring Flowers in Mansfield

Peach tree flowers are stunning but the fruit has never been worthwhile.
Dark green leaves, a black berry busts out into beautiful flowers. Maybe Jasmine?

I came across these flowers near Bulimba Creek but forgot to ask the DPI Weedbusters when they had a swap weeds for a tree at Belmont School if they could identify them.
Probably a dreaded weed but fascinating to look at.