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Acacia barattensis

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Acacia barattensis J.M.Black, Trans. & Proc. Roy. Soc. S. Australia 56: 42; t. 1, fig. 2 (1932)

Baratta Wattle

Diffuse, viscid, glabrous shrub 2- 3 m high. Branchlets slender, commonly covered with a black sooty substance. Phyllodes erect, slender, narrowly linear, mostly shallowly incurved, compressed, 5–10 cm long, 1–1.5 mm wide, uncinate, with a strong resin odour, obscurely 3-nerved per face; gland 1–2 mm above pulvinus. Inflorescences simple, 1 or 2 per axil; peduncles 8–13 mm long; basal bract c. 0.5 mm long; heads globular, 20–30- flowered, pale yellow. Flowers 4-merous; sepals c. 3/4-united, the lobes triangular. Pods linear, constricted between seeds, to 15 cm long, 2.5–3.5 mm wide. Seeds longitudinal, oblong-elliptic, 4.5 mm long; funicle folded; aril thick.

Restricted in the Flinders Ra., S.A. Occurs in skeletal soil between outcropping quartzite on slopes of rocky gulleys and along creeklines, in association with Eucalyptus flindersii, E. camaldulensis and Callitris glaucophylla . A rare species which, until recently, was thought to be extinct.

This species is fully described and discussed by M.D.Crisp, Trans. & Proc. Roy. Soc. S. Australia 100: 117 (1976) . Distinguished from other members of the ‘ A. wilhelmiana group’ by its 4-merous flowers. Acacia gracilifolia has similarly long, narrow phyllodes.

Type of accepted name

About 10 km N of Baratta, S.A., 3 Dec. 1930, J.B.Cleland ; holo: AD97338071; iso: AD96247254, K; fide , M.D.Crisp, loc. cit .

Illustrations

J.M.Black, loc. cit .; D.J.E.Whibley, Fl. S. Australia 4th edn, 2: 525 (1986); D.J.E.Whibley & D.E.Symon, Acacias S. Australia 2nd edn, 193 (1992).

Representative collection

S.A.: Baratta Stn, D.J.E.Whibley 4454 (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