Acacias of Australia

Print Fact Sheet

Acacia microsperma Pedley

Common Name





Scattered in southern Qld from Adavale SE to Talwood (near N.S.W. border).


Tree to c. 10 m high. Branchlets often scurfy, subglabrous to appressed-puberulous. Phyllodes linear, ±straight, (4–) 7–14 cm long, 1.5–4 mm wide, acute, often slightly uncinate, green to grey-green, scurfy when young, sparsely and minutely appressed-puberulous, ±glabrescent, with numerous closely parallel, obscure nerves. Inflorescences 1–4-headed racemes, sometimes reduced to axillary clusters of heads; raceme axes 0.5–2 mm long; peduncles 3–10 mm long, appressed-puberulous; heads globular, 4.5–5 mm diam., 20–30 (-40)-flowered, golden; bracteoles spathulate to subpeltate. Flowers 5-merous; sepals c. 3/4‑united. Pods submoniliform, straight, to 6 cm long, 2–3 mm wide, firmly chartaceous, non-reticulate, sparsely appressed-puberulous. Seeds longitudinal, narrowly elliptic, 2.5–4 mm long, brown; funicle/aril fleshy, repeatedly folded.


Usually grows in shallow loam or clay over weathered rock, often forming dense stands alone or with A. cambagei or Eucalyptus thozetiana.


Qld: 9.7 km W of Weengallon, L.Pedley 931 (BRI, K, NSW, PERTH); Adavale, Warrego District, L.Pedley 2496 (BRI n.v., CANB, K, NSW, PERTH).


Seems very close to A. microcybe.

FOA Reference

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


R.S.Cowan, B.R.Maslin

Minor edits by B.R.Maslin