Acacia salicina is a thornless species of Acacia tree native to Australia. Common names include Cooba, Native Willow, Willow Wattle, Broughton Willow,Sally Wattle and Black Wattle. It is a large shrub or small evergreen tree growing 3 to 20 m tall. It has a life span of about 10–15 years. In the Northern Hemisphere, Acacia salicina flowers primarily from October to January and the seed pods are often visible from April to July. The tree's seeds are shiny, black and have a crimson appendage-like aril.Acacia salicina is "closely related" to Acacia ligulata and Acacia bivenosa.