Sp. Pl., edn 5, 4: 1072 (1806) APNI
Tree 10–15 m tall; bark deeply fissured, dark grey to black; branchlets prominently angled, with wing-like ridges, glabrous except for new tips. Leaves bipinnate, dark green, decurrent; rachis 4–12 cm long, angular, glabrous (minutely hairy when young), with a raised gland just below the junction of each pinna pair; pinnae in 5–15 pairs; pinnules in 15–40 pairs, well-separated, linear, 5–15 mm long, 0.5–0.8 mm wide, within a single pinna more or less equal in length, glabrous (minutely hairy when young), apex more or less rounded. Inflorescence a raceme or panicle; heads globular, 20–30-flowered, bright yellow, peduncles 4–7 mm long. Pod flattish, straight or slightly curved, 5–10 cm long, 4–11 mm wide, slightly constricted, dark brown, margins thickened. Flowers Jul.–Sep.
*CVU, *DunT, *EGL, *GipP, *Glep, *Gold, *GGr, *HNF, *HSF, *LoM, *NIS, *OtP, *VAlp, *VRiv, *VVP, *Wim. Native to NSW; also naturalised Qld, SA, Tas. Widely established in dry to moist open-forest and woodland.
Acacia decurrens is characterized by its glabrous, well-spaced pinnae and branches with wing-like ridges.
Hybrids between Acacia decurrens and A. baileyana are known from a few localities in western Victoria.
|Bioregion||Occurrence status||Establishment means|
|Victorian Volcanic Plain||present||naturalised|
|Central Victorian Uplands||present||naturalised|
|Northern Inland Slopes||present||introduced|
|East Gippsland Lowlands||present||naturalised|
|New South Wales|
|Australian Capital Territory|