Acacias of Australia

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Acacia dealbata Link subsp. dealbata

Common Name

Silver Wattle or Mimosa




Extends along the Great Dividing Ra. from Ben Lomond Ra., northern N.S.W., to the Grampians, Vic., usually from 350–1000 m alt., common in Tas. Occasionally naturalised in south-western W.A., and in the Adelaide Hills (Southern Lofty region) and around Penola, fide D.J.E.Whibley & D.E.Symon, Acacias S. Australia 2nd edn, 305 (1992).


Shrub or spreading tree to 30 m high. Leaves (3–) 5–12 (–17) cm long, slightly to very glaucous or sometimes nonglaucous; pinnae 10–26 (–30) pairs, mostly 1.5–5.5 cm long; pinnules (14–) 20–68 pairs, 1.5–5 (–6) mm long. Heads 22–42-flowered, yellow. Pods to 11.5 cm long.


Flowers Aug.–Oct.; fruits Nov.–Jan., sometimes to Mar.


Grows in open forest or woodland or tall open forest, on high plateaux or in deep gullies.


S.A.: Crafers, Mt Lofty Ra., E.S.Booth 176 (AD, NSW). N.S.W.: 32.2 km N of Guyra, Ben Lomond Ra., J.S.Beard 936 (NSW); Bowral–Robertson road, 6 Sept. 1960, M.D.Tindale s.n. (NSW). A.C.T.: along Brindabella road near Cotter Dam, R.D.Hoogland 8555 (CANB, NSW). Vic.: Mt Langi Ghiran, E of Ararat, M.G.Corrick 7453 (MEL, NSW); on road to Lake Mtn near Alpine Reserve, D.B.Foreman 1045 (MEL, NSW). Tas.: Dee Lagoon, K.Hill 1502, L.A.S.Johnson & D.Blaxell (NSW).


Information on the biological and ecological features, and the utilisation potential, of this subspecies is given in B.R.Maslin and M.W.McDonald, pp. 60–67, AcaciaSearch: Evaluation of Acacia as a woody crop option for southern Australia, RIRDC Publication No. 03/017 (2004).

FOA Reference

Data derived from Flora of Australia Volumes 11A (2001), 11B (2001) and 12 (1998), products of ABRS, ©Commonwealth of Australia



Minor edits by B.R.Maslin & J.Reid