Acacia adunca, commonly known as Wallangarra wattle or cascade wattle,[1] is a species of flowering plant in the family Fabaceae and is endemic to eastern Australia. It is an erect, bushy shrub or tree with narrowly linear phyllodes, racemes of spherical bright golden flowers, and leathery pods.
Acacia adunca is a bushy shrub or tree that typically grows up to a height of, wide and has thin, dark reddish, glabrous branchlets. It has narrowly linear phyllodes long and wide and glabrous with one or two glands along the edges. The flowers are arranged in spherical heads along 4 to 11 axillary racemes that are long, the heads on a peduncle long and in diameter, with 9 to 14 bright yellow flowers. Flowering usually occurs from June to October and the pods are long and wide, raised on opposite sides over alternate seeds.[2] [3] [4]
Acacia adunca was first formally described in 1832 by George Don in A General History of Dichlamydous Plants from an unpublished desription by Allan Cunningham.[5] [6] The specific epithet (adunca) means "bent forward" or "hooked".[7]
Wallangarra wattle grows in forest, woodland and shrubland at higher altitudes, from the Amiens State Forest near Stanthorpe in south-eastern Queensland to the Bolivia Range in north-eastern New South Wales.