Acacia baileyana

About

Acacia baileyana, commonly known as Cootamundra wattle, Bailey's wattle or golden mimosa, is a species of flowering plant in the family Fabaceae and is endemic to a restricted area of New South Wales, although it has become naturalised in other parts of Australia. It is a shrub or tree with smooth bark, bipinnate leaves with mostly two to four pairs of oblong to narrowly oblong leaflets, spherical heads of bright yellow flowers arranged in 8 to 36 racemes in leaf axils, and straight, leathery pods up to 100 mm (3.9 in) long.

Summary from Wikipedia