Acacia caerulescens

About

Acacia caerulescens, commonly known as limestone blue wattle, Buchan blue or Buchan blue wattle is a species of flowering plant in the family Fabaceae and is endemic to Victoria, Australia. It is a tree or tall shrub with mostly egg-shaped to lance-shaped phyllodes with the narrower end towards the base, spherical heads of lemon yellow flowers in racemes or panicles, and papery pods covered with a whitish bloom.

Summary from Wikipedia