Acacias of Australia

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Acacia wiseana C.A.Gardner




Discontinuous in the arid zone from Nerren Nerren Stn N to the Lyndon R., Lake Auld to Lake Disappointment, and Dovers Hills, W.A., and in the Tanami area near The Granites, N.T.,


Intricate shrub to 4 m high and the same across. Ultimate branchlets divaricate, short, straight, striate-ribbed, light green, glabrous, somewhat spinose. Phyllodes sparse, inconspicuous, frequently shed, patent to deflexed, linear, pentagonal-compressed to flat, 5–20 mm long, 1–1.5 mm wide, acute, ±pungent, light green, glabrous, 5-nerved; midrib not prominent, central; adaxial margin 2-nerved and somewhat thickened. Inflorescences 2–6-headed racemes which may resemble the branchlets and appear simple; raceme axes 5-25 mm long, glabrous; heads globular, c. 25-flowered, light golden to mid-golden; bracteoles absent. Flowers 5-merous; sepals free. Pods prominently rounded over seeds and moderately to deeply constricted between them, to 18 cm long, 6–12 mm wide, thinly crustaceous, yellow-brown, commonly lightly pruinose, glabrous. Seeds longitudinal, globose, 5–9 mm diam., dull, dark brown; aril small, terminal.


Grows in red sand or sandy loam, in open scrub, low woodland or on spinifex (Triodia spp., Plectracne spp.) plains, sometimes occurs around clay pans.


W.A.: 195 km N of Carnarvon, P.E.Conrick 972 (MEL, PERTH); 33 km S of Overlander Roadhouse on North West Coastal Hwy, B.R.Maslin 2779 (AD, MEL, NY, PERTH). N.T.: 29 km NW of The Granites, J.R.Maconochie 1630 (K, PERTH).


Related to A. scleroclada.

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 J.Rogers