Acacias of Australia

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Acacia ammophila Pedley




Known only from near Adavale and near Thargomindah, southern inland Qld.


Tree to ±6 m high. Bark furrowed, dark grey. Branchlets apically white appressed-puberulous. Phyllodes linear, 10–20 cm long, 2.5–6 mm wide, acute to uncinate-acute, densely silvery appressed-puberulous (indumentum sparse on older phyllodes), with numerous closely parallel obscure nerves. Inflorescences 2–4-headed racemes; raceme axes 1–4 mm long, densely appressed-puberulous; peduncles 7–12 mm long, appressed-puberulous; heads globular, 5 mm diam., 25–40-flowered, golden; bracteoles spathulate, acute. Flowers 5-merous; sepals ±free. Pods submoniliform, straight, to 20 cm long, 4–8 mm wide, firmly chartaceous to ±cartilaginous, longitudinally reticulate, minutely appressed-puberulous, glabrescent. Seeds longitudinal, oblong, ±10 mm long, dull, dark brown; funicle gradually expanded to minute aril.


Grows on lower slopes of red sand dunes and heavier alluvial soil in tall open shrubland with A. calcicola or members of the ‘A. aneura group’.


Qld: Dynevor Lakes, Warrego District, S.L.Everist 7494 (BRI, K).


Affinities unclear.

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

R.S.Cowan, B.R.Maslin