Acacia grisea S.Moore, J. Linn. Soc., Bot. 45: 174 (1920)
Subshrub to 0.4 m high. Branchlets puberulous to hirsutellous. Pinnae 2 pairs, 2- 4 mm long (proximal pinnae), 5- 10 mm long (distal pinnae); rachis 1- 3 mm long; pinnules 2- 3 pairs (proximal pinnae), 4- 7 pairs (distal pinnae), oblong, 2- 4 mm long, 1- 2 mm wide, obtuse, slightly thickened, grey-green, finely puberulous with straight to incurved and antrorse hairs; gland on rachis at base of pinnae, sessile. Inflorescences simple, 1 per axil; peduncles 10- 20 mm long, glabrous; heads globular, 16- 26-flowered, seemingly golden. Flowers 5-merous; sepals 5/6-united; petals 1-nerved. Pods 2- 4 cm long, 5 mm wide, pilose. Seeds transverse to oblique, oblong to elliptic, 2.5- 3 mm long.
Restricted from Kukerin S to Kojonup and Broomehill, south-western W.A. Grows in gravelly loam.
Closely related to A. browniana , but distinguished by its flat, grey-green, concolorous pinnules which are finely puberulous on both surfaces. Acacia grisea occurs further inland than does A. browniana .
Type of accepted name
E of Katanning, W.A., 1916, F.Stoward 166 ; holo: BM.
B.R.Maslin, Nuytsia 1: 432, fig. 13 (1975).
W.A.: c. 13 km SE of Broomehill towards Pallinup, B.R.Maslin 646 (AD, B, BH, BRI, CANB, K, MEL, NSW, PERTH).