Acacias of Australia

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Acacia retivenea subsp. clandestina R.S.Cowan & Maslin




Scattered in northwest and northern W.A. from the Barlee Ra. and Pilbara eastwards to the Paterson Ra. and Rudall R. Natl Park on the western edge of the Great Sandy Desert; also in the southern Kimberley in Edgar Ra. and Bungle Bungle Natl Park.


Stipules broadly ovate, cordate basally, 3–5.5 mm long, 3–5 mm wide, suberect-villous, marginally glabrescent. Phyllodes elliptic to ovate, (3-) 5–8 (-12) cm long, 25–45 (–60) mm wide, rounded, mucronulate, villous to crispate-villous, rarely glabrous. Peduncles 20–40 mm long, densely crispate-villous or villous; bracteoles spathulate, with lamina thin, inconspicuously exserted being appressed to surface of young buds. Pods straight-edged, mucronulate, convex, 4.3–6.2 cm long, 15–20 mm wide, hard-crustaceous, crispate-villous, ±villous or cobwebby-villous, sparsely hairy to subglabrous at maturity.


Usually grows on rocky creek beds and on hillsides in tall shrubland, often associated with Grevillea wickhamii and, in the Kimberley, with Acacia tumida.


W.A.: 16 km NE of Bungle Bungle Outcamp, 5 km S of Mining Camp ‘Playground’, K.F.Kenneally 9215 (BRI, PERTH); 29 km E of Ranger’s Residence, outside Hamersley Ra. Natl Park, I.Solomon 16 (BRI, CANB, PERTH).

FOA Reference

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