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Acacia leucolobia

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Acacia leucolobia Sweet, Hort. Brit. 2nd edn 165 (1830)

Open glabrous shrub normally 1.5–3 m high. Branchlets red to red-brown, lightly to obviously pruinose. Phyllodes obovate-oblanceolate to elliptic or narrowly elliptic, 15–30 mm long, 6–14 mm wide, l:w = 2–3, obtuse, sometimes subacute, with central or slightly excentric mucro, coriaceous, glaucous to subglaucous; midrib not prominent, central or towards adaxial margin; lateral nerves obscure; gland not prominent, 0.5- 4 mm above pulvinus. Inflorescences normally 5–9-headed racemes; raceme axes 1–5 cm long, sometimes flexuose and pruinose; peduncles 4–6 mm long; heads globular, 8–10 mm diam. at anthesis (fresh) , rather loosely 5–10-flowered, bright golden; buds large, tinged reddish. Flowers 5-merous; sepals united, pruinose. Pods to 8 cm long, 6–8 mm wide, firmly chartaceous to thinly coriaceous, blackish, pruinose when young. Seeds longitudinal, oblong-elliptic to ovate, 5 mm long, slightly shiny, black; aril clavate.

Occurs from near Coolah and Eumungerie S to Burrinjuck and Katoomba, also Bowral to Wingello, N.S.W. Specimens from Mt Slow, 380 km NE of Eumungerie, appear to be this species.

This species was considered conspecific with A. lunata by G.Bentham, Fl. Austral. 2: 373 (1864) and with A. buxifolia by J.H.Maiden, Forest Fl. New South Wales 5: 78–85 (1911). These three closely related taxa are discussed under A. buxifolia . Acacia leucolobia is most readily distinguished from both A. lunata and A. buxifolia by its phyllode shape and size, and pruinose calyx and (at least when young) branchlets and racemes.

Type of accepted name

Grows on hills, Cugee-gong [= Cudgegong] R., [80 km] N of Bathurst, N.S.W., Nov. 1822, A.Cunningham 222 ; holo: K; iso: NSW.

Synonymy

Acacia leucolobia is based on A. dealbata A.Cunn. (1825), non Link (1822). Acacia dealbata A.Cunn., in B.Field, Geogr. Mem. New South Wales 345 (1825); A. furfuracea G.Don, Gen. Hist. 2: 405 (1832). Type: as for accepted name.

[ Acacia oleifolia auct. non A.Cunn. ex G.Don: G.Bentham, London J. Bot. 1: 348 (1842) and Fl. Austral. 2: 373 (1864), pro syn. sub A. lunata .]

Illustration

T.Tame, Acacias SE Australia 165, fig. 186g (1992), as A. furfuracea .

Representative collections

N.S.W.: Home Rule, near Gulgong, Dec. 1916, J.L.Boorman (NSW); The Mullion Ra., 11.2 km NE of Mullion Ck, R.Coveny 4181 (NSW, PERTH); 13.8 km from Coolah towards Binnaway, N.Hall H78/12 (MEL, NSW, PERTH); 11.5 km SW of Reids Flat on road to Boorowa, B.R.Maslin 5893 (AD, K, MEL, PERTH); Burrinjuck near Bowning, E.J.McBarron 5239 (NSW).

(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