Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Acacia aneura, commonly known as or True Mulga, is a shrub or small tree native to arid of areas such as the . Mulga is highly variable, in form, in height, and in shape of phyllodes and seed pods. It can form dense up to 15 metres high, or small, almost heath-like low shrubs spread well apart. Most commonly, it is a tall shrub. Because it is so variable, the of the Mulga has been studied extensively, and although it is likely to be split into several species eventually, there is as yet no consensus on how or even if this should be done. Although generally small in size, Mulga is long-lived, a typical for a tree undisturbed by fire is in the order of 200 to 300 years.