It is the largest genus in Australia. Some Acacias are amongst the most spectacular flowering native plants. Flower colours are almost universally shades of yellow, ranging from pale through to golden. Most are very hardy. Ground covers, shrubs and trees.
Colours are generally green to bluish-grey or silver.
Cladodes which are stems that carry out the functions of the leaves. Both true leaves and phyllodes are absent. Some are sensitive to high phosphorus levels. A. spectabilis sensitive to boron deficiency. Many are sensitive to over-wet soils.