Acacia improcera

Acacia improcera is a shrub belonging to the genus Acacia and the subgenus Phyllodineae that is endemic to south western Australia.

Description
The spreading spiny shrub typically grows to a height of 0.15 to 0.4 m It has striately ribbed branches with a waxy white coloured residue between the ribs. It has short, straight and rigid branchlets that are patent to inclined and spinose. Like most species of Acacia it has phyllodes rather than true leaves. The evergreen phyllodes have an obliquely ovate to elliptic shape with a length of 3 to 6 mm and a width of 1.5 to 3.5 mm and have a barely prominent midrib with few or no lateral nerves. It produces yellow flowers in August.

Distribution
It is native to an area in the Goldfields-Esperance region of Western Australia where it is often situated on undulating plains and flats growing in loamy clay or clay soils. The bulk of the population is found around Lake King in the west to around the Bremer Range, about 100 km south west of Norseman in the east and doen to around Ravensthorpe and near Sheoak Hill in the south in transitional areas between heathland and shrub mallee communities.