Acacia argutifolia Maslin, Nuytsia 2: 98; 97 fig. 1 (1976)
East Barrens Wattle
Spreading, intricate shrub 0.2–0.5 m high. Branchlets puberulous to hirsutellous. Stipules 1.5–2 mm long. Phyllodes mostly patent, straight or shallowly recurved, trigonous-terete, 6–13 mm long, c. 1 mm wide, pungent with a slender, 1 mm long cusp, rigid, glabrous, 3-nerved, sometimes imperfectly 4-nerved, deeply channelled on either side of abaxial nerve when dry. Inflorescences simple, 1 per axil; peduncles 5–7 mm long, glabrous; heads globular, 23–25-flowered, pale yellow to cream. Flowers mostly 4-merous; sepals 1/3–1/2-united. Pods biconvex, shallowly constricted between seeds, to 4 cm long, 2–4 mm wide, red-brown to dark brown, glabrous. Seeds longitudinal, oblong to elliptic, c. 3 mm long, dull, grey-brown; aril terminal.
Mostly restricted to the Fitzgerald R. Natl Park, south-western W.A. Grows in shallow sand over quartzite, in low open heath, shrubland and Mallee communities.
Similar to A. simulans which has verticillate phyllodes and glabrous to sparsely appressed-puberulous branchlets.
Type of accepted name
N slopes of Whoogarup Ra., Fitzgerald R. Natl Park, W.A., 8 Oct. 1975, B.R.Maslin 3886 ; holo: PERTH; iso: CANB, K, MEL, NY.
B.R.Maslin, loc. cit .
W.A.: Fitzgerald R. Natl Park, K.Newbey 1618 (G, NSW, PERTH).