Acacia spinosissima
Acacia spinosissima is a shrub of the genus "Acacia" and the subgenus "Phyllodineae" native to south western Australia. Description. The spreading or compact, intricately branched shrub typically grows to a height of . It has striate and ribbed branches that are covered in a fine, white powdery coating with many short and spreading branchlets that are a quite spiny and often without phyllodes. Like most species it has phyllodes rather than true leaves. The ascending to erect phyllodes have a narrowly oblong shape and are usually straight or shallowly sigmoid. The green phyllodes usually have a length of and  a width of with an obscure slightly raised midrib and no lateral nerves. It blooms from August to September and produces yellow flowers. The rudimentary inflorescences occur singly on racemes with an axis length of less than and have sperical flower-heads with a diameter of containing 7 to 23 bright lemon yellow coloured flowers. The thinly coriaceous seed pods that form after flowering rounded over the seeds with a length of up to and a width of and covered in a fine white powdery coating. The dark brown seeds within the pods have an oblong shape with a length  of around . Distribution. It is native to an area in the Wheatbelt region of Western Australia where it is commonly situated on undulating plains growing in gravelly sandy soils often over or around laterite or loamy to clay soils. Its range extends from around Cadoux in the north to around Brookton in the south and as far east to around Lake King.