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Acacia trineura

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Acacia trineura F.Muell., Fragm. 4: 5 (1863)

Three-nerved Wattle , Three-veined Wattle , Green Wattle , Hindmarsh Wattle

Rounded, fragrant shrub or tree 1–5 m high, sometimes prostrate. Branchlets resin-ribbed at extremities, hoary puberulous. Phyllodes oblanceolate to oblong-oblanceolate, straight to slightly incurved, 3–7 cm long, 4–11 mm wide, obtuse with minute, callose apiculum, dark green, glabrous, 3–7-nerved per face with 3 nerves more prominent than the rest (when multinerved), the nerves resinous and impressed in crests of low ridges; anastomoses absent or few between the nerves; gland at distal end of pulvinus. Inflorescences 3–8-headed racemes; raceme axes 5–7 mm long, resinous hoary; peduncles 3–5 mm long, resinous hoary; heads globular, 3.5–4.5 mm diam., c. 25-flowered, light to dark golden. Flowers 5-merous; sepals free. Pods linear, raised over and constricted between seeds, straight to slightly curved, to 6 cm long, 2–4 mm wide, chartaceous, glabrous to very sparsely appressed-hairy. Seeds longitudinal, oblong, 4 mm long, glossy, black; funicle/aril apical.

Disjunct, occurring across the central and south-western slopes and plains of N.S.W. from Gilgandra SW to Berrigan; also in western Vic. from Wyperfeld S to Dimboola, extending to near Lucindale, S.A. (collections from further west in S.A. probably represent naturalized occurrences).  Sometimes near inland water, growing in red earths and clay, often in mallee communities.

Among the syntypes of this taxon in the invalid publication by F.J.H. von Mueller, Pl. Victoria 2: 25 (1863), is a collection (duplicate at K) by Dallachy from the Wimmera; when the species was validly published, the Dallachy specimen was not cited.

Very closely related to A. redolens of south-western W.A.

Type of accepted name

North western desert of Vic., L.Morton ; n.v.

Synonymy

Acacia trineura F.Muell., Pl. Victoria 2: 25 (1863), nom. inval. (not effectively published, fide A.B.Court et al. , Nuytsia 9: 315- 318, 1994).

Illustrations

F. von Mueller, Iconogr. Austral. Acacia dec. 8, [pl. 4] (1887); L.F.Costermans, Native Trees & Shrubs SE Australia 328 (1981); G.M.Cunningham et al. , Pl. W New South Wales 374 (1981); M.Simmons, Acacias Australia 2: 195 (1988); T.Tame, Acacias SE Australia 77, fig. 63, pl. 63 (1992); D.J.E.Whibley & D.E.Symon, Acacias S. Australia 2nd edn, 227 (1992).

Representative collections

S.A.: c. 10 km SW of Lucindale, P.E.Conrick 334A (AD). N.S.W.: 21.6 km W of Ungarie railway line crossing on Ungarie- Narathan road, R.Coveny 12070 & P.Hind (NSW, PERTH). Vic.: Wyperfeld Natl Park, L. Brambrook, A.C.Beauglehole 28894 (MEL, PERTH).

(RSC & 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: Thursday 22 June 2023