Acacias of Australia

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Acacia sulcata var. platyphylla Maiden & Blakely




Widespread from Corrigin S to near Mount Barker and E to Israelite Bay with outliers in the Wongan Hills (N of Corrigin), Point Culver and Cocklebiddy (both E of Israelite Bay) in southern W.A.


Branchlets glabrous or occasionally puberulous or appressed-puberulous. Phyllodes terete to laterally compressed and narrowly oblanceolate, (5–) 8–16 mm long, commonly obtuse, sometimes mucronulate, ±fleshy, shiny, green; gland on central nerve or at junction of 2 adaxial nerves. Peduncles 4–10 mm long, glabrous, appressed-puberulous or rarely minutely pilose. Pods to 3 cm long, 2.5–3.5 mm wide, chartaceous, not pruinose. Seeds 2.5–3 mm long.


Grows in sand, sandy or rocky loam, loam, clay and sandy clay, in tall mallee scrub with eucalypts and Casuarina, often on rocky hills and on granite outcrops.


W.A.: 8 km NW of Pt Culver, M.G.Brooker 3685 (PERTH); 21 km S of Cocklebiddy, A.S.George 11858 (CANB, PERTH); c. 10 km NE of Mt Barker, P.Luscombe 169 (PERTH); 4.5 km NW of Wongan Hills township on road to Piawaning, B.R.Maslin 5365 (PERTH); 20 km NE of Jerramungup, K.Newbey 4390 (CANB, K, MEL, MO, NSW, NY, PERTH); 12.8 km SW of Mt Ragged, P.G.Wilson 10069 (K, PERTH).


The type of A. sulcata var. hirsuta is so depauperate and fragmentary that its status as a synonym of this variety is provisional; it appears to be no more than a variant in the rather variable var. platyphylla. The type of variety platyphylla represents the compressed phyllode form of the variety. See R.S.Cowan & B.R.Maslin, Nuytsia 9: 75 (1993), for discussion.

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.Reid