Acacia cultriformis, known as the Knife-leaf Wattle, Dogtooth Wattle, Half-moon Wattle or Golden-glow Wattle, is a perennial tree or shrub of the genusAcacia native to Australia. It is widely cultivated, and has been found to have naturalised in Asia, Africa, North America, New Zealand and South America.Acacia cultriformis grows to a height of about 2–3 m.
A. cultriformis is used as cut flowers. The flowers are edible and they are an ingredient used in some fritters. Yellow dye is extracted from the flowers and green dye is extracted from the seed pods. Since the plant has many thorns, it is used as a protective hedge.