Shrub or erect tree 3–14 m high. Bark smooth, green, grey to dark brown, later fissured near base. Branchlets straight or zig-zagged, terete except towards apex, pruinose, with grey slightly matted hairs, later ±glabrous; ridges 0.2 mm high. Young foliage-tips whitish to golden, pubescent. Leaves fern-like, herbaceous to subcoriaceous, dark green, paler beneath; petiole above pulvinus mostly 0.7–2.3 cm long, flattened vertically, usually with 1 orbicular, pubescent to glabrous gland at base of or near lowest pair of pinnae and 1–4 sometimes contiguous additional glands; rachis (1.5–) 4–12 cm long, with 2–5 interjugary glands between pairs of pinnae; jugary glands sometimes absent; pinnae (3–) 5–14 pairs, 3–6.5 (–8) cm long; pinnules 23–68 (–93) pairs, closely spaced to crowded, ±linear, (3–) 4–10 (–12) mm long, 0.4–0.7 (–0.8) mm wide, with fine ± appressed white hairs (often only on margins) or glabrous, obtuse to broadly rounded. Inflorescences in axillary racemes, or axillary or terminal false-panicles. Heads 20–30-flowered, dark yellow; flower-buds compact. Pods almost straight-sided or indented between a few seeds, 3.5–13 cm long, 6–17 mm wide, subcoriaceous, blue to blue-black, pruinose, glabrous.
Grows in open forest, eucalypt scrub-woodland and savannah, on valley slopes or alluvial flats, often near streams, often on granite but on various strata and in sandy soils.
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