Acacias of Australia

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Acacia aprepta Pedley




Occurs in south-eastern Qld between 148ºE and 151ºE, in the western areas of the Darling Downs, and in Maranoa districts.


Tree to 10 m high, spreading. Bark longitudinally furrowed, dark grey or black. Branchlets angular, becoming terete, light brown to greyish, glabrous, slightly resinous or ±resinous-scurfy especially when young. Phyllodes linear or very narrowly oblanceolate, flat, straight or slightly subfalcate, 3.5–8.5 cm long, (2–) 3–8 mm wide, coriaceous, olive green, ±scurfy, resinous when young, with 1–3 longitudinal nerves more prominent and 8–12 minor nerves per mm; basal gland inconspicuous. Spikes 1–3 in phyllode axils, 0.6–3.5 cm long, yellow. Flowers 5-merous; calyx 0.4–0.5 mm long, dissected to 1/5–1/4, glabrous or silky on ribs, pubescent at base; corolla c. 1.5 mm long, dissected to 1/2, glabrous, scurfy; ovary glabrous. Pods linear or very narrowly oblong, raised over seeds on alternating sides, 2.5–6 cm long, 5–10 mm wide, chartaceous, light brown, glabrous, scurfy, slightly viscid. Seeds oblique, broadly oblong, 2.3–3.5 mm long, dark brown with an often paler small areole; pleurogram U‑shaped, usually with pale halo.


Flowers mostly Oct.–Jan. Fruits Dec.


Grows in thickets or in dense populations in shallow gravelly or sandy loam soils, over sandstone (see L.Pedley, Austrobaileya 1: 159 1978).


Qld: 2 miles [3.2 km] S of Miles, C.Cameron (BRI, NSW); on Jackson–Miles road, 3 miles [4.8 km] E of Jackson, R.W.Johnson 684 (BRI, NSW); 16 km NW of Glenmorgan, M.M.Richardson 237, D.Gordon & L.Meredith (CANB, NSW); 35 km S of Moonie on road to Goondiwindi, A.N.Rodd 4230 (AD, B, NSW).


According to L.Pedley, Austrobaileya 1: 159 (1978), A. aprepta appears similar to A. aneura in the field, and has morphological affinities to A. stowardii and A. kempeana.

FOA Reference

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


Minor edits by J.Rogers

Dr M.D.Tindale and Dr P.G.Kodela with the assistance of M.Bedward, S.J.Davies, C.Herscovitch, D.A.Keith and/or D.A.Morrison