Shrub or tree 2–10 m high. Bark smooth, very silvery or blue-grey. Branchlets terete or angled, with short, rather stiff, somewhat spreading, tawny, white or grey hairs, later ± glabrous, dark brown, often pruinose. Young foliage-tips white or yellow, velvety-pubescent. Leaves herbaceous to subcoriaceous, dark green; petiole above pulvinus mostly 0.5–1.7 cm long, flattened vertically, with (1–) 2–4 (–6) oblong or spherical, puberulous glands; rachis 1.5–8 cm long, ± flattened vertically, usually with a gland at base of all or most pairs of pinnae and 1–3 oblong or spherical often contiguous interjugary glands between pairs of pinnae; pinnae 4–13 pairs, 1–5 cm long; pinnules 13–42 pairs, narrowly oblong to cultrate, mostly 2–4 (–5) mm long, 0.5–1 mm wide, margin and often lower surface with sparse appressed to spreading white hairs, ± glabrous above, obtuse. Inflorescences in axillary racemes, or terminal or axillary false-panicles. Heads globular, 14–18-flowered, pale yellow; flower buds spreading. Pods slightly and often irregularly more deeply constricted between seeds, 2–17 cm long, 5–9 mm wide, coriaceous, bluish brown or bluish black, glabrous or with minute appressed hairs.
Grows in open forest, on plateaux or alluvial flats, on shale, laterite or sandstone.
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