Acacias of Australia

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Acacia gnidium Benth.




Scattered in central Qld from Kroombit Tops Natl Park (near Biloela), Mt Pluto and Alpha Stn to just W of Springsure and the Chesterton Ra. (W of Roma), also occurs in north-central Qld in the Peak Ra. and White Mtns.


Dense spreading fragrant shrub to 4 m high, glabrous, somewhat resinous. Branchlets somewhat angular at extremities. Phyllodes ascending to erect, narrowly linear, straight to shallowly incurved, flat, (1.5–) 3–5 (–8) cm long, 0.7–2 (–3) mm wide, l:w = 20–50, excentrically mucronulate with a ±thickened mucro, green; midrib neither prominent nor raised; lateral nerves ±absent; gland obscure, 1–7 mm above pulvinus, and another at base of mucro. Inflorescences simple, 1 per axil; peduncles 5–12 (–15) mm long, ebracteate at base; heads globular, 15–25-flowered, golden. Flowers mostly 5-merous; sepals united. Pods narrowly oblong, slightly rounded over seeds and barely constricted between them, to 6 cm long, 5–6 mm wide, chartaceous, obscurely reticulate. Seeds (very immature) longitudinal.


Grows in rugged sandstone country.


Qld: Scotts Peak, c. 60 km ESE of Clermont, S.L.Everist 4412 (BRI); ‘Warang Holding’, White Mtns, D.Fell 1339 & Swain (PERTH); on Glenlee Rd, WNW of Springsure, B.O’Keefe 896 (BRI).


A member of the ‘A. johnsonii group’, distinguished from its close relatives A. ixodes, A. eremophiloides and A. hockingsii by phyllode proportions.

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