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Acacia cuspidifolia

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Acacia cuspidifolia Maslin, Nuytsia 4: 79; 80, fig. 4 & 100, fig. 10 (1982)

Wait-a-while , Bohemia

Bushy shrub or gnarled tree 3–7 m high. Branchlets glabrous or subglabrous. Stipules spinose, absent from some nodes, shallowly recurved, 2–4 mm long. Phyllodes mostly narrowly oblong-oblanceolate to linear, 3–6 cm long, 2–5 mm wide, narrowed at base, pungent, glabrous to subglabrous; midrib prominent; lateral nerves obscure; gland 0–5 mm above pulvinus, additional gland often at base of cusp. Inflorescences simple, (1) 2 per axil, initiated synchronously with phyllodes on new shoots; peduncles 15–20 mm long, glabrous or hirtellous; heads globular, 23–32-flowered, pale yellow. Flowers 5-merous; sepals free to 1/2 united. Pods narrowly oblong, to 9 cm long, 1–2 cm wide, chartaceous, finely transversely reticulate, glabrous. Seeds transverse to oblique, widely elliptic to widely ovate, 6–7.5 mm long, dull, brown, exarillate; funicle strap-like.

Extending from Minilya Stn E to near Mundiwindi and S to near Ballythanna Hill, W.A. Favours open floodplain areas in clay or loam.

Perhaps most closely allied to A. pickardii but distinguished from this species, and from other members of the ‘ A. victoriae group’, by its pungent, flat phyllodes.

Type of accepted name

2 km S of Hill 4 East (mine) Paraburdoo, W.A., 28 Nov. 1980, K.Atkins 1257 ; holo: PERTH; iso: CANB, K, NY.

Illustrations

B.R.Maslin, op. cit. 80, fig. 4; A.A.Mitchell & D.G.Wilcox, Arid Shrubland Pl. W. Australia 270- 271 (1988).

Representative collections

W.A.: c. 5 km S of Yaringa on North West Coastal Hwy, A.M.Ashby 4491 (CANB, K, MEL, PERTH); 33 km along road from Mundiwindi to Mount Newman, H.Demarz 611 (PERTH); Byro Stn, 10 km W of Ballythanna Hill on the track to North West Coastal Hwy, B.R.Maslin 5167 (PERTH).

(BRM)

WATTLE Acacias of Australia CD-ROM graphic

The information presented here originally appeared on the WATTLE CD-ROM which was jointly published by the Australian Biological Resources Study, Canberra, and the Department of Parks and Wildlife, Perth; it was produced by CSIRO Publishing from where it is available for purchase. The WATTLE custodians are thanked for allowing us to post this information here.

Page last updated: Tuesday 11 September 2018