Acacia faucium is a species of flowering plant in the family Fabaceae and is endemic to Queensland, Australia. It is a tree with terete branchlets, straight to shallowly sickle-shaped phyllodes, spikes of flowers, and linear, crust-like pods.
Acacia faucium is a tree that typically grows to a height of 3–10m (9.8–32.8ft) and has terete, glabrous branchlets. Its phyllodes are straight to shallowly sickle-shaped, thinly leathery, 120–180mm (4.7–7.1in) long and 20–30mm (0.79–1.18in) wide with many parallel, longitudinal veins, two or three more prominent than the rest. The flowers are borne in spikes 35–60mm (1.4–2.4in) long on glabrous peduncles4–5mm (0.16–0.20in) long. Flowering has been recorded from June to October, and the pods are linear, crust-like, up to 80mm (3.1in) long and 3–4mm (0.12–0.16in) wide, straight to curved or sometimes openly coiled. The pods are dark brown, glabrous, rounded and wrinkled over the seeds. The seeds are pale brown, 3.5–4mm (0.14–0.16in) long with a cup-shaped aril.[2][3][4][5]
This species of wattle grows in woodland and thickets on sandy creek banks and a flat plain in the headwaters of Torrens Creek in White Mountains National Park where it occurs in sandstone gorges, and in broken country further south, 100km (62mi) north of Clermont.[2][3]
123Maslin, Bruce R. Kodela, Phillip G. (ed.). "Acacia faucium". Flora of Australia. Australian Biological Resources Study, Department of Climate Change, Energy, the Environment and Water: Canberra. Retrieved 14 December 2025.
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