Acacia denticulosa F.Muell., Fragm . 10: 32 (1876)
Open, spindly shrub 1- 4 m high. Branchlets resinous at first, coarsely verrucose-scabrous, the tips of hairs soon eroded leaving tubercle-bases. Phyllodes spreading, inequilaterally widely elliptic to ovate, 5- 9 cm long, 3.5- 7.5 cm wide, strongly undulate and with irregularly denticulate margins, acute, mucronate, thickly coriaceous, dark green, prominently 3- or 4-nerved with a prominent, coarse reticulum inbetween, the venation verrucose-scabrous. Inflorescences simple; peduncles 3- 7 mm long, scabrous, resinous; spikes 25- 80 mm long, 6- 8 mm diam., dense, golden. Flowers 4-merous; sepals free. Pods linear, strongly raised over seeds, straight to slightly curved, to 7.5 cm long, 3- 4.5 mm wide, glabrous. Seeds longitudinal, elliptic to broadly elliptic, 3.5- 4 mm long, glossy, brown-black; aril terminal.
Scattered populations from E of Mt Churchman S to near Nungarin and W at Wongan Hills, W.A. Gazetted a rare species in W.A. Grows in sand, loam, silt and clay, on and around granite hills and outcrops, rarely on sandplains.
Type of accepted name
Near Mt Churchman, W.A., [J.]Young ; holo: MEL100525; iso: NSW, PERTH (Fragment ex MEL).
F. von Mueller, Iconogr. Austral. Acacia dec. 12 [pl. 2] (1888); W.R.Elliot & D.L.Jones, Encycl. Austral. Pl. 2: 41 (1981); M.Simmons, Acacias Australia 2: 283 & pl. 5 (1988).
W.A.: Wongan Hills area [precise locality withheld for conservation reasons], B.R.Maslin 4544 (CANB, K, PERTH); Barbalin, K.Newbey 2875 (PERTH); 40 km E of Mt Churchman, Oct. 1983, R.Paynter (PERTH); near Nungarin, 1 Sept. 1919, E.Simpson (PERTH).
(BRM & RSC)