Acacia divergens

Acacia divergens is a species of flowering plant in the family Fabaceae and is endemic to the south-west of Western Australia. It is diffuse, open and spreading, spiny shrub with long, arching branches, Δ-shaped to triangular, sharply pointed phyllodes with the narrower end towards the base, spherical heads of cream-coloured to pale yellow flowers and linear, curved or twisted pods.

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Acacia divergens is a diffuse, open and spreading shrub that typically grows to a height of 0.4–2.5 m (1 ft 4 in – 8 ft 2 in) and has its end branches long, undivided and arching downwards. Its branchlets are finely yellow-ribbed and glabrous or with short, soft hairs. The phyllodes are Δ-shaped to triangular with the narrower end towards the base, with a prominent gland-bearing angle on the upper edge, 6–10 mm (0.24–0.39 in) long, 3–8 mm (0.12–0.31 in) wide and sharply pointed with a prominent midrib near the lower edge. There are often spiny, slender stipules 2–4 mm (0.079–0.157 in) long at the base of the phyllodes. The flowers are borne in a single spherical head in axils on a slender peduncle 3.5–10 mm (0.14–0.39 in) long, the heads with five to ten cream-coloured to pale yellow flowers. Flowering mostly occurs from August to November, and the pods are linear, curved and often twisted, up to 70 mm (2.8 in) long, 2–3 mm (0.079–0.118 in) wide and thinly leathery to crust and glabrous. The seeds are more or less oblong, 2.5–30 mm (0.098–1.181 in) long and glossy brown with an aril. A. divergens is part of the A. biflora group with phyllodes closely resembling those of A. robiniae.