Acacias of Australia

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Acacia grandifolia Pedley




Known only from 2 localities in the Burnett District, Qld.


Tree to c. 8 m high. Bark furrowed, dark brown. Branchlets very acutely angular, stout, densely grey-velutinous. Phyllodes asymmetrically elliptic, ±straight, 7.5–15 cm long, 20–50 (–75) mm wide, coriaceous, stiff, with 3 or 4 prominent often yellowish main nerves running together near base, clothed with spreading hairs; minor nerves 2 or 3 per mm, widely spaced, conspicuously anastomosing with free nerve-endings; gland 1, conspicuous, basal. Spikes 4–9.5 cm long, golden. Flowers 5-merous; calyx 0.7–1 mm long, cupular, dissected to 1/5, ±coarse, pilose especially in upper 1/2; corolla 2–2.5 mm long; petals free, with prominent midrib, glabrous; ovary pubescent. Pods slightly constricted between but strongly raised over seeds, compressed-terete, 6–8 cm long, 5–6 mm wide, tomentose. Seeds longitudinal, 4–5 mm long; areole open.


Flowers Sept.


Occurring as open stands among sandstone outcrops in sand or in shallow, stony soils derived from basalt.


Qld: State Forest, ‘Manar’ road, 22 km from Gayndah, P.I.Forster 7114 (BRI, NSW); 8 miles [12 km] E of Gayndah, L.Pedley 2897 (BRI, NSW).


Allied to A. crassa subsp. longicoma and A. longispicata subsp. velutina.

FOA Reference

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


Dr M.D.Tindale and Dr P.G.Kodela with the assistance of M.Bedward, S.J.Davies, C.Herscovitch, D.A.Keith and/or D.A.Morrison