Acacias of Australia

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Acacia aneura F.Muell. ex Benth.

Common Name





Widespread in all mainland States except Vic.


Shrub or tree 2.5–7 (–10 m) high, often multistemmed with bushy crowns, rarely with a conifer or pseudo-confier growth form. Branchlets obscurely ribbed or ribless, ribs not resinous or with a normally thin layer of translucent resin; new shoots resinous, with a dense layer of dark-coloured glandular hairlets. Phyllodes narrowly linear to linear-elliptic, mostly shallowly incurved, not rigid, flat, 4–12 (–18) cm long, (1–) 1.5–3 (–4) mm wide, 2–3 cm long and clustered in groups of 2 or 3 on juvenile plants, glabrous or obscurely appressed-hairy between nerves, normally grey-green to sub-glaucous and often with a silvery sheen, longitudinal nerves numerous and very fine, margins not resinous; gland 0–1 (–3) mm above pulvinus. Inflorescences mostly simple; peduncles 4–10 (–15) mm long, sparsely to ±densely sericeous with commonly some red-brown glandular hairlets; spikes (10–) 15–30 (–40) mm long. Flowers 5-merous; sepals free, ½–¾ length of petals, normally linear-spathulate. Pods mostly straight-edged, flat, (1–) 1.5–4 cm long, (6–) 7–15 mm wide including the wing 0.4–1 (–2) mm wide, chartaceous to firmly chartaceous, normally brown to grey-brown, glabrous or sparsely appressed puberulous, obscurely reticulate; margins winged or rarely bevel-edged, often shiny-resinous. Seeds transverse to oblique, 3.5–5 mm long, 2.5–3 (–3.5) mm wide, elliptic to oblong or ovate; aril small aril, whitish or cream.


Recorded from a wide range of habitats.


W.A.: 80 km SSW of Kintore, Mu Hills, P.K.Latz 20893 (NT, PERTH); Hamersley Ra., Juna Downs Stn, Flat Rocks, along Hamersley Iron access road to Yandi ore deposit, B.R.Maslin 8064 (CANB, PERTH); 22.5 km E of Leonora on rd to Laverton, B.R.Maslin, J.Miller & J.E.Reid BRM 9352 (PERTH). N.T.: N.T.: 15 miles [24 km] N of Alice Springs, D.J.Nelson 2232 & 2233 (BRI n.v., DNA n.v.). S.A.: Yappala Ra., 8 km NW of Hawker, D.E.Murfet 4397 (AD). Qld: near ‘Buckingham Downs’, c. 50 km S of Dajarra, L.Pedley 5296 (BRI n.v.). N.S.W.: 8 km NE of Louth, L.Pedley 4706 (A n.v., BRI n.v., IL n.v., L n.v., MEXU n.v., MO n.v., PERTH).

FOA Reference

Data derived from Flora of Australia Volumes 11A (2001), 11B (2001) and 12 (1998), products of ABRS, ©Commonwealth of Australia


Revised by B.R.Maslin & J.Reid